Home / 20,713.30-31,042.23-7,553.26

Finding the Fourth Proportional to 20,713.30, 31,042.23 and 7,553.26

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Solution

The fourth proportional to 20,713.30, 31,042.23 and 7,553.26 is: 11,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.30 : 31,042.23 = 7,553.26 : x
  2. Step 2: Convert to fraction form
    20,713.30/31,042.23 = 7,553.26/x
  3. Step 3: Cross multiply
    20,713.30x = 31,042.23 × 7,553.26
  4. Step 4: Simplify right side
    20,713.30x = 234,470,034.17
  5. Step 5: Solve for x
    x = 234,470,034.17/20,713.30
  6. Step 6: Final answer
    x = 11,319.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.