Home / 22,234.56-30,605.76-20,135.04

Finding the Fourth Proportional to 22,234.56, 30,605.76 and 20,135.04

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Solution

The fourth proportional to 22,234.56, 30,605.76 and 20,135.04 is: 27,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.56 : 30,605.76 = 20,135.04 : x
  2. Step 2: Convert to fraction form
    22,234.56/30,605.76 = 20,135.04/x
  3. Step 3: Cross multiply
    22,234.56x = 30,605.76 × 20,135.04
  4. Step 4: Simplify right side
    22,234.56x = 616,248,201.83
  5. Step 5: Solve for x
    x = 616,248,201.83/22,234.56
  6. Step 6: Final answer
    x = 27,715.78

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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.