Home / 22,508.13-31,062.68-12,436.57

Finding the Fourth Proportional to 22,508.13, 31,062.68 and 12,436.57

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Solution

The fourth proportional to 22,508.13, 31,062.68 and 12,436.57 is: 17,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508.13 : 31,062.68 = 12,436.57 : x
  2. Step 2: Convert to fraction form
    22,508.13/31,062.68 = 12,436.57/x
  3. Step 3: Cross multiply
    22,508.13x = 31,062.68 × 12,436.57
  4. Step 4: Simplify right side
    22,508.13x = 386,313,194.21
  5. Step 5: Solve for x
    x = 386,313,194.21/22,508.13
  6. Step 6: Final answer
    x = 17,163.28

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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.