Home / 41,395.20-62,092.80-13,689.60

Finding the Fourth Proportional to 41,395.20, 62,092.80 and 13,689.60

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Solution

The fourth proportional to 41,395.20, 62,092.80 and 13,689.60 is: 20,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,395.20 : 62,092.80 = 13,689.60 : x
  2. Step 2: Convert to fraction form
    41,395.20/62,092.80 = 13,689.60/x
  3. Step 3: Cross multiply
    41,395.20x = 62,092.80 × 13,689.60
  4. Step 4: Simplify right side
    41,395.20x = 850,025,594.88
  5. Step 5: Solve for x
    x = 850,025,594.88/41,395.20
  6. Step 6: Final answer
    x = 20,534.40

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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.