Question

find X in the following proportions (3) 19:38 is 15:x​

Answer 1

Step-by-step explanation:

$19 : 38 :: 15 : x \\ 19x = 38 \times 15 \\ x = \frac{38 \times 15}{19} \\ x = 2 \times 15 \\ x = 30$

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