Home / 14,790.45-22,179.33-5,427.39

Finding the Fourth Proportional to 14,790.45, 22,179.33 and 5,427.39

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Solution

The fourth proportional to 14,790.45, 22,179.33 and 5,427.39 is: 8,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.45 : 22,179.33 = 5,427.39 : x
  2. Step 2: Convert to fraction form
    14,790.45/22,179.33 = 5,427.39/x
  3. Step 3: Cross multiply
    14,790.45x = 22,179.33 × 5,427.39
  4. Step 4: Simplify right side
    14,790.45x = 120,375,873.85
  5. Step 5: Solve for x
    x = 120,375,873.85/14,790.45
  6. Step 6: Final answer
    x = 8,138.76

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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.