Home / 22,811.10-34,200.45-8,765.70

Finding the Fourth Proportional to 22,811.10, 34,200.45 and 8,765.70

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Solution

The fourth proportional to 22,811.10, 34,200.45 and 8,765.70 is: 13,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.10 : 34,200.45 = 8,765.70 : x
  2. Step 2: Convert to fraction form
    22,811.10/34,200.45 = 8,765.70/x
  3. Step 3: Cross multiply
    22,811.10x = 34,200.45 × 8,765.70
  4. Step 4: Simplify right side
    22,811.10x = 299,790,884.57
  5. Step 5: Solve for x
    x = 299,790,884.57/22,811.10
  6. Step 6: Final answer
    x = 13,142.32

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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.