Home / 13,732.38-18,940.89-8,943.52

Finding the Fourth Proportional to 13,732.38, 18,940.89 and 8,943.52

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Solution

The fourth proportional to 13,732.38, 18,940.89 and 8,943.52 is: 12,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.38 : 18,940.89 = 8,943.52 : x
  2. Step 2: Convert to fraction form
    13,732.38/18,940.89 = 8,943.52/x
  3. Step 3: Cross multiply
    13,732.38x = 18,940.89 × 8,943.52
  4. Step 4: Simplify right side
    13,732.38x = 169,398,228.53
  5. Step 5: Solve for x
    x = 169,398,228.53/13,732.38
  6. Step 6: Final answer
    x = 12,335.68

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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.