Home / 22,622.14-31,218.50-12,552.12

Finding the Fourth Proportional to 22,622.14, 31,218.50 and 12,552.12

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Solution

The fourth proportional to 22,622.14, 31,218.50 and 12,552.12 is: 17,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.14 : 31,218.50 = 12,552.12 : x
  2. Step 2: Convert to fraction form
    22,622.14/31,218.50 = 12,552.12/x
  3. Step 3: Cross multiply
    22,622.14x = 31,218.50 × 12,552.12
  4. Step 4: Simplify right side
    22,622.14x = 391,858,358.22
  5. Step 5: Solve for x
    x = 391,858,358.22/22,622.14
  6. Step 6: Final answer
    x = 17,321.90

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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.