Home / 13,550.60-20,327.82-4,191.44

Finding the Fourth Proportional to 13,550.60, 20,327.82 and 4,191.44

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Solution

The fourth proportional to 13,550.60, 20,327.82 and 4,191.44 is: 6,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.60 : 20,327.82 = 4,191.44 : x
  2. Step 2: Convert to fraction form
    13,550.60/20,327.82 = 4,191.44/x
  3. Step 3: Cross multiply
    13,550.60x = 20,327.82 × 4,191.44
  4. Step 4: Simplify right side
    13,550.60x = 85,202,816.90
  5. Step 5: Solve for x
    x = 85,202,816.90/13,550.60
  6. Step 6: Final answer
    x = 6,287.75

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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.