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\frac{x}{19.3}=\frac{4}{25}
Whakahekea te hautanga \frac{16}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.
x=\frac{4}{25}\times 19.3
Me whakarea ngā taha e rua ki te 19.3.
x=\frac{4}{25}\times \frac{193}{10}
Me tahuri ki tau ā-ira 19.3 ki te hautau \frac{193}{10}.
x=\frac{4\times 193}{25\times 10}
Me whakarea te \frac{4}{25} ki te \frac{193}{10} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.
x=\frac{772}{250}
Mahia ngā whakarea i roto i te hautanga \frac{4\times 193}{25\times 10}.
x=\frac{386}{125}
Whakahekea te hautanga \frac{772}{250} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.