Home / 18,016.52-27,024.19-8,155.80

Finding the Fourth Proportional to 18,016.52, 27,024.19 and 8,155.80

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Solution

The fourth proportional to 18,016.52, 27,024.19 and 8,155.80 is: 12,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.52 : 27,024.19 = 8,155.80 : x
  2. Step 2: Convert to fraction form
    18,016.52/27,024.19 = 8,155.80/x
  3. Step 3: Cross multiply
    18,016.52x = 27,024.19 × 8,155.80
  4. Step 4: Simplify right side
    18,016.52x = 220,403,868.41
  5. Step 5: Solve for x
    x = 220,403,868.41/18,016.52
  6. Step 6: Final answer
    x = 12,233.44

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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.