Home / 13,801.12-20,703.80-5,034.04

Finding the Fourth Proportional to 13,801.12, 20,703.80 and 5,034.04

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Solution

The fourth proportional to 13,801.12, 20,703.80 and 5,034.04 is: 7,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.12 : 20,703.80 = 5,034.04 : x
  2. Step 2: Convert to fraction form
    13,801.12/20,703.80 = 5,034.04/x
  3. Step 3: Cross multiply
    13,801.12x = 20,703.80 × 5,034.04
  4. Step 4: Simplify right side
    13,801.12x = 104,223,757.35
  5. Step 5: Solve for x
    x = 104,223,757.35/13,801.12
  6. Step 6: Final answer
    x = 7,551.83

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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.