Home / 22,552.62-31,122.68-12,481.76

Finding the Fourth Proportional to 22,552.62, 31,122.68 and 12,481.76

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Solution

The fourth proportional to 22,552.62, 31,122.68 and 12,481.76 is: 17,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.62 : 31,122.68 = 12,481.76 : x
  2. Step 2: Convert to fraction form
    22,552.62/31,122.68 = 12,481.76/x
  3. Step 3: Cross multiply
    22,552.62x = 31,122.68 × 12,481.76
  4. Step 4: Simplify right side
    22,552.62x = 388,465,822.32
  5. Step 5: Solve for x
    x = 388,465,822.32/22,552.62
  6. Step 6: Final answer
    x = 17,224.86

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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.