Home / 22,982.22-34,441.19-12,429.45

Finding the Fourth Proportional to 22,982.22, 34,441.19 and 12,429.45

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Solution

The fourth proportional to 22,982.22, 34,441.19 and 12,429.45 is: 18,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,982.22 : 34,441.19 = 12,429.45 : x
  2. Step 2: Convert to fraction form
    22,982.22/34,441.19 = 12,429.45/x
  3. Step 3: Cross multiply
    22,982.22x = 34,441.19 × 12,429.45
  4. Step 4: Simplify right side
    22,982.22x = 428,084,907.91
  5. Step 5: Solve for x
    x = 428,084,907.91/22,982.22
  6. Step 6: Final answer
    x = 18,626.79

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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.