Home / 18,340.20-27,512.24-7,245.36

Finding the Fourth Proportional to 18,340.20, 27,512.24 and 7,245.36

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Solution

The fourth proportional to 18,340.20, 27,512.24 and 7,245.36 is: 10,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.20 : 27,512.24 = 7,245.36 : x
  2. Step 2: Convert to fraction form
    18,340.20/27,512.24 = 7,245.36/x
  3. Step 3: Cross multiply
    18,340.20x = 27,512.24 × 7,245.36
  4. Step 4: Simplify right side
    18,340.20x = 199,336,046.98
  5. Step 5: Solve for x
    x = 199,336,046.98/18,340.20
  6. Step 6: Final answer
    x = 10,868.80

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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.