Home / 16,910.78-25,366.15-6,515.26

Finding the Fourth Proportional to 16,910.78, 25,366.15 and 6,515.26

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Solution

The fourth proportional to 16,910.78, 25,366.15 and 6,515.26 is: 9,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.78 : 25,366.15 = 6,515.26 : x
  2. Step 2: Convert to fraction form
    16,910.78/25,366.15 = 6,515.26/x
  3. Step 3: Cross multiply
    16,910.78x = 25,366.15 × 6,515.26
  4. Step 4: Simplify right side
    16,910.78x = 165,267,062.45
  5. Step 5: Solve for x
    x = 165,267,062.45/16,910.78
  6. Step 6: Final answer
    x = 9,772.88

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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.