Home / 17,067.20-25,600.79-4,755.20

Finding the Fourth Proportional to 17,067.20, 25,600.79 and 4,755.20

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Solution

The fourth proportional to 17,067.20, 25,600.79 and 4,755.20 is: 7,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,067.20 : 25,600.79 = 4,755.20 : x
  2. Step 2: Convert to fraction form
    17,067.20/25,600.79 = 4,755.20/x
  3. Step 3: Cross multiply
    17,067.20x = 25,600.79 × 4,755.20
  4. Step 4: Simplify right side
    17,067.20x = 121,736,724.83
  5. Step 5: Solve for x
    x = 121,736,724.83/17,067.20
  6. Step 6: Final answer
    x = 7,132.79

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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.