Home / 15,707.46-21,681.35-10,057.43

Finding the Fourth Proportional to 15,707.46, 21,681.35 and 10,057.43

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Solution

The fourth proportional to 15,707.46, 21,681.35 and 10,057.43 is: 13,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707.46 : 21,681.35 = 10,057.43 : x
  2. Step 2: Convert to fraction form
    15,707.46/21,681.35 = 10,057.43/x
  3. Step 3: Cross multiply
    15,707.46x = 21,681.35 × 10,057.43
  4. Step 4: Simplify right side
    15,707.46x = 218,058,501.24
  5. Step 5: Solve for x
    x = 218,058,501.24/15,707.46
  6. Step 6: Final answer
    x = 13,882.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.