Home / 18,296.28-27,439.83-5,149.98

Finding the Fourth Proportional to 18,296.28, 27,439.83 and 5,149.98

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Solution

The fourth proportional to 18,296.28, 27,439.83 and 5,149.98 is: 7,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.28 : 27,439.83 = 5,149.98 : x
  2. Step 2: Convert to fraction form
    18,296.28/27,439.83 = 5,149.98/x
  3. Step 3: Cross multiply
    18,296.28x = 27,439.83 × 5,149.98
  4. Step 4: Simplify right side
    18,296.28x = 141,314,575.70
  5. Step 5: Solve for x
    x = 141,314,575.70/18,296.28
  6. Step 6: Final answer
    x = 7,723.68

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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.