Home / 18,193.28-27,131.66-16,177.38

Finding the Fourth Proportional to 18,193.28, 27,131.66 and 16,177.38

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Solution

The fourth proportional to 18,193.28, 27,131.66 and 16,177.38 is: 24,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.28 : 27,131.66 = 16,177.38 : x
  2. Step 2: Convert to fraction form
    18,193.28/27,131.66 = 16,177.38/x
  3. Step 3: Cross multiply
    18,193.28x = 27,131.66 × 16,177.38
  4. Step 4: Simplify right side
    18,193.28x = 438,919,173.85
  5. Step 5: Solve for x
    x = 438,919,173.85/18,193.28
  6. Step 6: Final answer
    x = 24,125.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.