Home / 29,105.61-43,634.85-9,104.80

Finding the Fourth Proportional to 29,105.61, 43,634.85 and 9,104.80

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Solution

The fourth proportional to 29,105.61, 43,634.85 and 9,104.80 is: 13,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.61 : 43,634.85 = 9,104.80 : x
  2. Step 2: Convert to fraction form
    29,105.61/43,634.85 = 9,104.80/x
  3. Step 3: Cross multiply
    29,105.61x = 43,634.85 × 9,104.80
  4. Step 4: Simplify right side
    29,105.61x = 397,286,582.28
  5. Step 5: Solve for x
    x = 397,286,582.28/29,105.61
  6. Step 6: Final answer
    x = 13,649.83

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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.