Home / 22,732.46-31,374.28-13,781.42

Finding the Fourth Proportional to 22,732.46, 31,374.28 and 13,781.42

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Solution

The fourth proportional to 22,732.46, 31,374.28 and 13,781.42 is: 19,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,732.46 : 31,374.28 = 13,781.42 : x
  2. Step 2: Convert to fraction form
    22,732.46/31,374.28 = 13,781.42/x
  3. Step 3: Cross multiply
    22,732.46x = 31,374.28 × 13,781.42
  4. Step 4: Simplify right side
    22,732.46x = 432,382,129.88
  5. Step 5: Solve for x
    x = 432,382,129.88/22,732.46
  6. Step 6: Final answer
    x = 19,020.47

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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.