Home / 23,171.04-31,964.76-13,732.92

Finding the Fourth Proportional to 23,171.04, 31,964.76 and 13,732.92

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Solution

The fourth proportional to 23,171.04, 31,964.76 and 13,732.92 is: 18,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.04 : 31,964.76 = 13,732.92 : x
  2. Step 2: Convert to fraction form
    23,171.04/31,964.76 = 13,732.92/x
  3. Step 3: Cross multiply
    23,171.04x = 31,964.76 × 13,732.92
  4. Step 4: Simplify right side
    23,171.04x = 438,969,491.90
  5. Step 5: Solve for x
    x = 438,969,491.90/23,171.04
  6. Step 6: Final answer
    x = 18,944.75

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Double scale
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Similar ratio
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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.