Home / 20,242.44-30,353.67-7,092.90

Finding the Fourth Proportional to 20,242.44, 30,353.67 and 7,092.90

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Solution

The fourth proportional to 20,242.44, 30,353.67 and 7,092.90 is: 10,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.44 : 30,353.67 = 7,092.90 : x
  2. Step 2: Convert to fraction form
    20,242.44/30,353.67 = 7,092.90/x
  3. Step 3: Cross multiply
    20,242.44x = 30,353.67 × 7,092.90
  4. Step 4: Simplify right side
    20,242.44x = 215,295,545.94
  5. Step 5: Solve for x
    x = 215,295,545.94/20,242.44
  6. Step 6: Final answer
    x = 10,635.85

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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.