Home / 17,221.20-25,835.28-5,542.56

Finding the Fourth Proportional to 17,221.20, 25,835.28 and 5,542.56

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Solution

The fourth proportional to 17,221.20, 25,835.28 and 5,542.56 is: 8,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.20 : 25,835.28 = 5,542.56 : x
  2. Step 2: Convert to fraction form
    17,221.20/25,835.28 = 5,542.56/x
  3. Step 3: Cross multiply
    17,221.20x = 25,835.28 × 5,542.56
  4. Step 4: Simplify right side
    17,221.20x = 143,193,589.52
  5. Step 5: Solve for x
    x = 143,193,589.52/17,221.20
  6. Step 6: Final answer
    x = 8,314.96

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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.