Home / 25,061.72-34,585.11-13,731.89

Finding the Fourth Proportional to 25,061.72, 34,585.11 and 13,731.89

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Solution

The fourth proportional to 25,061.72, 34,585.11 and 13,731.89 is: 18,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,061.72 : 34,585.11 = 13,731.89 : x
  2. Step 2: Convert to fraction form
    25,061.72/34,585.11 = 13,731.89/x
  3. Step 3: Cross multiply
    25,061.72x = 34,585.11 × 13,731.89
  4. Step 4: Simplify right side
    25,061.72x = 474,918,753.23
  5. Step 5: Solve for x
    x = 474,918,753.23/25,061.72
  6. Step 6: Final answer
    x = 18,949.97

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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.