Home / 13,365.28-20,049.84-4,132

Finding the Fourth Proportional to 13,365.28, 20,049.84 and 4,132

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Solution

The fourth proportional to 13,365.28, 20,049.84 and 4,132 is: 6,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.28 : 20,049.84 = 4,132 : x
  2. Step 2: Convert to fraction form
    13,365.28/20,049.84 = 4,132/x
  3. Step 3: Cross multiply
    13,365.28x = 20,049.84 × 4,132
  4. Step 4: Simplify right side
    13,365.28x = 82,845,938.88
  5. Step 5: Solve for x
    x = 82,845,938.88/13,365.28
  6. Step 6: Final answer
    x = 6,198.59

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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.