Home / 18,198.18-27,297.26-5,050.55

Finding the Fourth Proportional to 18,198.18, 27,297.26 and 5,050.55

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Solution

The fourth proportional to 18,198.18, 27,297.26 and 5,050.55 is: 7,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.18 : 27,297.26 = 5,050.55 : x
  2. Step 2: Convert to fraction form
    18,198.18/27,297.26 = 5,050.55/x
  3. Step 3: Cross multiply
    18,198.18x = 27,297.26 × 5,050.55
  4. Step 4: Simplify right side
    18,198.18x = 137,866,238.42
  5. Step 5: Solve for x
    x = 137,866,238.42/18,198.18
  6. Step 6: Final answer
    x = 7,575.83

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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.