Home / 22,109.43-33,176.45-12,247.42

Finding the Fourth Proportional to 22,109.43, 33,176.45 and 12,247.42

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Solution

The fourth proportional to 22,109.43, 33,176.45 and 12,247.42 is: 18,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.43 : 33,176.45 = 12,247.42 : x
  2. Step 2: Convert to fraction form
    22,109.43/33,176.45 = 12,247.42/x
  3. Step 3: Cross multiply
    22,109.43x = 33,176.45 × 12,247.42
  4. Step 4: Simplify right side
    22,109.43x = 406,325,917.26
  5. Step 5: Solve for x
    x = 406,325,917.26/22,109.43
  6. Step 6: Final answer
    x = 18,377.95

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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.