Home / 13,117.14-19,672.80-3,757.13

Finding the Fourth Proportional to 13,117.14, 19,672.80 and 3,757.13

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Solution

The fourth proportional to 13,117.14, 19,672.80 and 3,757.13 is: 5,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.14 : 19,672.80 = 3,757.13 : x
  2. Step 2: Convert to fraction form
    13,117.14/19,672.80 = 3,757.13/x
  3. Step 3: Cross multiply
    13,117.14x = 19,672.80 × 3,757.13
  4. Step 4: Simplify right side
    13,117.14x = 73,913,168.70
  5. Step 5: Solve for x
    x = 73,913,168.70/13,117.14
  6. Step 6: Final answer
    x = 5,634.85

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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.