Home / 18,109.38-27,166.14-16,249.08

Finding the Fourth Proportional to 18,109.38, 27,166.14 and 16,249.08

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Solution

The fourth proportional to 18,109.38, 27,166.14 and 16,249.08 is: 24,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.38 : 27,166.14 = 16,249.08 : x
  2. Step 2: Convert to fraction form
    18,109.38/27,166.14 = 16,249.08/x
  3. Step 3: Cross multiply
    18,109.38x = 27,166.14 × 16,249.08
  4. Step 4: Simplify right side
    18,109.38x = 441,424,782.15
  5. Step 5: Solve for x
    x = 441,424,782.15/18,109.38
  6. Step 6: Final answer
    x = 24,375.48

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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.