Home / 25,115.52-34,655.88-15,041.60

Finding the Fourth Proportional to 25,115.52, 34,655.88 and 15,041.60

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Solution

The fourth proportional to 25,115.52, 34,655.88 and 15,041.60 is: 20,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.52 : 34,655.88 = 15,041.60 : x
  2. Step 2: Convert to fraction form
    25,115.52/34,655.88 = 15,041.60/x
  3. Step 3: Cross multiply
    25,115.52x = 34,655.88 × 15,041.60
  4. Step 4: Simplify right side
    25,115.52x = 521,279,884.61
  5. Step 5: Solve for x
    x = 521,279,884.61/25,115.52
  6. Step 6: Final answer
    x = 20,755.29

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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.