Home / 22,610.29-31,201.62-12,538.57

Finding the Fourth Proportional to 22,610.29, 31,201.62 and 12,538.57

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Solution

The fourth proportional to 22,610.29, 31,201.62 and 12,538.57 is: 17,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.29 : 31,201.62 = 12,538.57 : x
  2. Step 2: Convert to fraction form
    22,610.29/31,201.62 = 12,538.57/x
  3. Step 3: Cross multiply
    22,610.29x = 31,201.62 × 12,538.57
  4. Step 4: Simplify right side
    22,610.29x = 391,223,696.48
  5. Step 5: Solve for x
    x = 391,223,696.48/22,610.29
  6. Step 6: Final answer
    x = 17,302.90

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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.