Home / 15,928.80-23,884.32-8,531.04

Finding the Fourth Proportional to 15,928.80, 23,884.32 and 8,531.04

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Solution

The fourth proportional to 15,928.80, 23,884.32 and 8,531.04 is: 12,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.80 : 23,884.32 = 8,531.04 : x
  2. Step 2: Convert to fraction form
    15,928.80/23,884.32 = 8,531.04/x
  3. Step 3: Cross multiply
    15,928.80x = 23,884.32 × 8,531.04
  4. Step 4: Simplify right side
    15,928.80x = 203,758,089.29
  5. Step 5: Solve for x
    x = 203,758,089.29/15,928.80
  6. Step 6: Final answer
    x = 12,791.80

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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.