Home / 16,909.11-23,339.97-11,874.56

Finding the Fourth Proportional to 16,909.11, 23,339.97 and 11,874.56

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Solution

The fourth proportional to 16,909.11, 23,339.97 and 11,874.56 is: 16,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.11 : 23,339.97 = 11,874.56 : x
  2. Step 2: Convert to fraction form
    16,909.11/23,339.97 = 11,874.56/x
  3. Step 3: Cross multiply
    16,909.11x = 23,339.97 × 11,874.56
  4. Step 4: Simplify right side
    16,909.11x = 277,151,757.46
  5. Step 5: Solve for x
    x = 277,151,757.46/16,909.11
  6. Step 6: Final answer
    x = 16,390.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.