Home / 13,394.52-20,091.33-5,072.04

Finding the Fourth Proportional to 13,394.52, 20,091.33 and 5,072.04

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Solution

The fourth proportional to 13,394.52, 20,091.33 and 5,072.04 is: 7,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.52 : 20,091.33 = 5,072.04 : x
  2. Step 2: Convert to fraction form
    13,394.52/20,091.33 = 5,072.04/x
  3. Step 3: Cross multiply
    13,394.52x = 20,091.33 × 5,072.04
  4. Step 4: Simplify right side
    13,394.52x = 101,904,029.41
  5. Step 5: Solve for x
    x = 101,904,029.41/13,394.52
  6. Step 6: Final answer
    x = 7,607.89

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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.