Home / 23,165.38-31,972.89-13,732.12

Finding the Fourth Proportional to 23,165.38, 31,972.89 and 13,732.12

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Solution

The fourth proportional to 23,165.38, 31,972.89 and 13,732.12 is: 18,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.38 : 31,972.89 = 13,732.12 : x
  2. Step 2: Convert to fraction form
    23,165.38/31,972.89 = 13,732.12/x
  3. Step 3: Cross multiply
    23,165.38x = 31,972.89 × 13,732.12
  4. Step 4: Simplify right side
    23,165.38x = 439,055,562.23
  5. Step 5: Solve for x
    x = 439,055,562.23/23,165.38
  6. Step 6: Final answer
    x = 18,953.09

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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.