Home / 22,819.66-34,201.22-12,928.96

Finding the Fourth Proportional to 22,819.66, 34,201.22 and 12,928.96

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Solution

The fourth proportional to 22,819.66, 34,201.22 and 12,928.96 is: 19,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,819.66 : 34,201.22 = 12,928.96 : x
  2. Step 2: Convert to fraction form
    22,819.66/34,201.22 = 12,928.96/x
  3. Step 3: Cross multiply
    22,819.66x = 34,201.22 × 12,928.96
  4. Step 4: Simplify right side
    22,819.66x = 442,186,205.33
  5. Step 5: Solve for x
    x = 442,186,205.33/22,819.66
  6. Step 6: Final answer
    x = 19,377.42

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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.