Home / 25,480.20-35,179.34-16,553.15

Finding the Fourth Proportional to 25,480.20, 35,179.34 and 16,553.15

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Solution

The fourth proportional to 25,480.20, 35,179.34 and 16,553.15 is: 22,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.20 : 35,179.34 = 16,553.15 : x
  2. Step 2: Convert to fraction form
    25,480.20/35,179.34 = 16,553.15/x
  3. Step 3: Cross multiply
    25,480.20x = 35,179.34 × 16,553.15
  4. Step 4: Simplify right side
    25,480.20x = 582,328,765.18
  5. Step 5: Solve for x
    x = 582,328,765.18/25,480.20
  6. Step 6: Final answer
    x = 22,854.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.