Home / 13,531.14-20,304-6,135.03

Finding the Fourth Proportional to 13,531.14, 20,304 and 6,135.03

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Solution

The fourth proportional to 13,531.14, 20,304 and 6,135.03 is: 9,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.14 : 20,304 = 6,135.03 : x
  2. Step 2: Convert to fraction form
    13,531.14/20,304 = 6,135.03/x
  3. Step 3: Cross multiply
    13,531.14x = 20,304 × 6,135.03
  4. Step 4: Simplify right side
    13,531.14x = 124,565,649.12
  5. Step 5: Solve for x
    x = 124,565,649.12/13,531.14
  6. Step 6: Final answer
    x = 9,205.85

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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.