Home / 18,525.06-27,791.92-5,377.68

Finding the Fourth Proportional to 18,525.06, 27,791.92 and 5,377.68

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Solution

The fourth proportional to 18,525.06, 27,791.92 and 5,377.68 is: 8,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.06 : 27,791.92 = 5,377.68 : x
  2. Step 2: Convert to fraction form
    18,525.06/27,791.92 = 5,377.68/x
  3. Step 3: Cross multiply
    18,525.06x = 27,791.92 × 5,377.68
  4. Step 4: Simplify right side
    18,525.06x = 149,456,052.35
  5. Step 5: Solve for x
    x = 149,456,052.35/18,525.06
  6. Step 6: Final answer
    x = 8,067.78

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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.