Home / 22,135.32-30,535.92-13,179.96

Finding the Fourth Proportional to 22,135.32, 30,535.92 and 13,179.96

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Solution

The fourth proportional to 22,135.32, 30,535.92 and 13,179.96 is: 18,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.32 : 30,535.92 = 13,179.96 : x
  2. Step 2: Convert to fraction form
    22,135.32/30,535.92 = 13,179.96/x
  3. Step 3: Cross multiply
    22,135.32x = 30,535.92 × 13,179.96
  4. Step 4: Simplify right side
    22,135.32x = 402,462,204.16
  5. Step 5: Solve for x
    x = 402,462,204.16/22,135.32
  6. Step 6: Final answer
    x = 18,181.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.