Home / 22,791.20-34,191.60-9,636.80

Finding the Fourth Proportional to 22,791.20, 34,191.60 and 9,636.80

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Solution

The fourth proportional to 22,791.20, 34,191.60 and 9,636.80 is: 14,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.20 : 34,191.60 = 9,636.80 : x
  2. Step 2: Convert to fraction form
    22,791.20/34,191.60 = 9,636.80/x
  3. Step 3: Cross multiply
    22,791.20x = 34,191.60 × 9,636.80
  4. Step 4: Simplify right side
    22,791.20x = 329,497,610.88
  5. Step 5: Solve for x
    x = 329,497,610.88/22,791.20
  6. Step 6: Final answer
    x = 14,457.23

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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.