Home / 16,915.62-25,375.86-5,229.84

Finding the Fourth Proportional to 16,915.62, 25,375.86 and 5,229.84

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Solution

The fourth proportional to 16,915.62, 25,375.86 and 5,229.84 is: 7,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.62 : 25,375.86 = 5,229.84 : x
  2. Step 2: Convert to fraction form
    16,915.62/25,375.86 = 5,229.84/x
  3. Step 3: Cross multiply
    16,915.62x = 25,375.86 × 5,229.84
  4. Step 4: Simplify right side
    16,915.62x = 132,711,687.66
  5. Step 5: Solve for x
    x = 132,711,687.66/16,915.62
  6. Step 6: Final answer
    x = 7,845.51

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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.