Home / 12,132.96-18,199.32-3,367.83

Finding the Fourth Proportional to 12,132.96, 18,199.32 and 3,367.83

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Solution

The fourth proportional to 12,132.96, 18,199.32 and 3,367.83 is: 5,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.96 : 18,199.32 = 3,367.83 : x
  2. Step 2: Convert to fraction form
    12,132.96/18,199.32 = 3,367.83/x
  3. Step 3: Cross multiply
    12,132.96x = 18,199.32 × 3,367.83
  4. Step 4: Simplify right side
    12,132.96x = 61,292,215.88
  5. Step 5: Solve for x
    x = 61,292,215.88/12,132.96
  6. Step 6: Final answer
    x = 5,051.71

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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.