Home / 20,542.44-30,815.55-9,452.19

Finding the Fourth Proportional to 20,542.44, 30,815.55 and 9,452.19

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Solution

The fourth proportional to 20,542.44, 30,815.55 and 9,452.19 is: 14,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.44 : 30,815.55 = 9,452.19 : x
  2. Step 2: Convert to fraction form
    20,542.44/30,815.55 = 9,452.19/x
  3. Step 3: Cross multiply
    20,542.44x = 30,815.55 × 9,452.19
  4. Step 4: Simplify right side
    20,542.44x = 291,274,433.55
  5. Step 5: Solve for x
    x = 291,274,433.55/20,542.44
  6. Step 6: Final answer
    x = 14,179.15

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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.