Home / 16,915.43-25,375.58-5,229.56

Finding the Fourth Proportional to 16,915.43, 25,375.58 and 5,229.56

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Solution

The fourth proportional to 16,915.43, 25,375.58 and 5,229.56 is: 7,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.43 : 25,375.58 = 5,229.56 : x
  2. Step 2: Convert to fraction form
    16,915.43/25,375.58 = 5,229.56/x
  3. Step 3: Cross multiply
    16,915.43x = 25,375.58 × 5,229.56
  4. Step 4: Simplify right side
    16,915.43x = 132,703,175.05
  5. Step 5: Solve for x
    x = 132,703,175.05/16,915.43
  6. Step 6: Final answer
    x = 7,845.10

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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.