Home / 23,149.92-31,943.28-13,716.96

Finding the Fourth Proportional to 23,149.92, 31,943.28 and 13,716.96

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Solution

The fourth proportional to 23,149.92, 31,943.28 and 13,716.96 is: 18,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.92 : 31,943.28 = 13,716.96 : x
  2. Step 2: Convert to fraction form
    23,149.92/31,943.28 = 13,716.96/x
  3. Step 3: Cross multiply
    23,149.92x = 31,943.28 × 13,716.96
  4. Step 4: Simplify right side
    23,149.92x = 438,164,694.03
  5. Step 5: Solve for x
    x = 438,164,694.03/23,149.92
  6. Step 6: Final answer
    x = 18,927.27

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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.