Home / 41,520.75-62,281.13-13,818.75

Finding the Fourth Proportional to 41,520.75, 62,281.13 and 13,818.75

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Solution

The fourth proportional to 41,520.75, 62,281.13 and 13,818.75 is: 20,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,520.75 : 62,281.13 = 13,818.75 : x
  2. Step 2: Convert to fraction form
    41,520.75/62,281.13 = 13,818.75/x
  3. Step 3: Cross multiply
    41,520.75x = 62,281.13 × 13,818.75
  4. Step 4: Simplify right side
    41,520.75x = 860,647,296.09
  5. Step 5: Solve for x
    x = 860,647,296.09/41,520.75
  6. Step 6: Final answer
    x = 20,728.13

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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.