Home / 22,552.04-31,125.08-13,125.80

Finding the Fourth Proportional to 22,552.04, 31,125.08 and 13,125.80

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Solution

The fourth proportional to 22,552.04, 31,125.08 and 13,125.80 is: 18,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.04 : 31,125.08 = 13,125.80 : x
  2. Step 2: Convert to fraction form
    22,552.04/31,125.08 = 13,125.80/x
  3. Step 3: Cross multiply
    22,552.04x = 31,125.08 × 13,125.80
  4. Step 4: Simplify right side
    22,552.04x = 408,541,575.06
  5. Step 5: Solve for x
    x = 408,541,575.06/22,552.04
  6. Step 6: Final answer
    x = 18,115.50

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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.