Home / 41,617.20-62,425.80-13,915.20

Finding the Fourth Proportional to 41,617.20, 62,425.80 and 13,915.20

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Solution

The fourth proportional to 41,617.20, 62,425.80 and 13,915.20 is: 20,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,617.20 : 62,425.80 = 13,915.20 : x
  2. Step 2: Convert to fraction form
    41,617.20/62,425.80 = 13,915.20/x
  3. Step 3: Cross multiply
    41,617.20x = 62,425.80 × 13,915.20
  4. Step 4: Simplify right side
    41,617.20x = 868,667,492.16
  5. Step 5: Solve for x
    x = 868,667,492.16/41,617.20
  6. Step 6: Final answer
    x = 20,872.80

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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.