Home / 22,625.39-31,222.81-12,553.85

Finding the Fourth Proportional to 22,625.39, 31,222.81 and 12,553.85

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Solution

The fourth proportional to 22,625.39, 31,222.81 and 12,553.85 is: 17,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.39 : 31,222.81 = 12,553.85 : x
  2. Step 2: Convert to fraction form
    22,625.39/31,222.81 = 12,553.85/x
  3. Step 3: Cross multiply
    22,625.39x = 31,222.81 × 12,553.85
  4. Step 4: Simplify right side
    22,625.39x = 391,966,473.32
  5. Step 5: Solve for x
    x = 391,966,473.32/22,625.39
  6. Step 6: Final answer
    x = 17,324.19

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Double scale
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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.