Home / 16,915.12-25,375.11-5,229.25

Finding the Fourth Proportional to 16,915.12, 25,375.11 and 5,229.25

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Solution

The fourth proportional to 16,915.12, 25,375.11 and 5,229.25 is: 7,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.12 : 25,375.11 = 5,229.25 : x
  2. Step 2: Convert to fraction form
    16,915.12/25,375.11 = 5,229.25/x
  3. Step 3: Cross multiply
    16,915.12x = 25,375.11 × 5,229.25
  4. Step 4: Simplify right side
    16,915.12x = 132,692,793.97
  5. Step 5: Solve for x
    x = 132,692,793.97/16,915.12
  6. Step 6: Final answer
    x = 7,844.63

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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.