Home / 13,195.05-19,789.12-3,832.56

Finding the Fourth Proportional to 13,195.05, 19,789.12 and 3,832.56

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Solution

The fourth proportional to 13,195.05, 19,789.12 and 3,832.56 is: 5,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.05 : 19,789.12 = 3,832.56 : x
  2. Step 2: Convert to fraction form
    13,195.05/19,789.12 = 3,832.56/x
  3. Step 3: Cross multiply
    13,195.05x = 19,789.12 × 3,832.56
  4. Step 4: Simplify right side
    13,195.05x = 75,842,989.75
  5. Step 5: Solve for x
    x = 75,842,989.75/13,195.05
  6. Step 6: Final answer
    x = 5,747.84

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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.