Home / 13,367.31-20,049.42-3,507.35

Finding the Fourth Proportional to 13,367.31, 20,049.42 and 3,507.35

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Solution

The fourth proportional to 13,367.31, 20,049.42 and 3,507.35 is: 5,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.31 : 20,049.42 = 3,507.35 : x
  2. Step 2: Convert to fraction form
    13,367.31/20,049.42 = 3,507.35/x
  3. Step 3: Cross multiply
    13,367.31x = 20,049.42 × 3,507.35
  4. Step 4: Simplify right side
    13,367.31x = 70,320,433.64
  5. Step 5: Solve for x
    x = 70,320,433.64/13,367.31
  6. Step 6: Final answer
    x = 5,260.63

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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.