Home / 22,949.70-34,421.88-7,155.90

Finding the Fourth Proportional to 22,949.70, 34,421.88 and 7,155.90

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Solution

The fourth proportional to 22,949.70, 34,421.88 and 7,155.90 is: 10,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.70 : 34,421.88 = 7,155.90 : x
  2. Step 2: Convert to fraction form
    22,949.70/34,421.88 = 7,155.90/x
  3. Step 3: Cross multiply
    22,949.70x = 34,421.88 × 7,155.90
  4. Step 4: Simplify right side
    22,949.70x = 246,319,531.09
  5. Step 5: Solve for x
    x = 246,319,531.09/22,949.70
  6. Step 6: Final answer
    x = 10,733.02

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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.