Home / 13,731.14-20,584.38-6,331.82

Finding the Fourth Proportional to 13,731.14, 20,584.38 and 6,331.82

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Solution

The fourth proportional to 13,731.14, 20,584.38 and 6,331.82 is: 9,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.14 : 20,584.38 = 6,331.82 : x
  2. Step 2: Convert to fraction form
    13,731.14/20,584.38 = 6,331.82/x
  3. Step 3: Cross multiply
    13,731.14x = 20,584.38 × 6,331.82
  4. Step 4: Simplify right side
    13,731.14x = 130,336,588.97
  5. Step 5: Solve for x
    x = 130,336,588.97/13,731.14
  6. Step 6: Final answer
    x = 9,492.04

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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.