Home / 15,134.75-20,876.23-9,764.04

Finding the Fourth Proportional to 15,134.75, 20,876.23 and 9,764.04

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Solution

The fourth proportional to 15,134.75, 20,876.23 and 9,764.04 is: 13,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.75 : 20,876.23 = 9,764.04 : x
  2. Step 2: Convert to fraction form
    15,134.75/20,876.23 = 9,764.04/x
  3. Step 3: Cross multiply
    15,134.75x = 20,876.23 × 9,764.04
  4. Step 4: Simplify right side
    15,134.75x = 203,836,435.26
  5. Step 5: Solve for x
    x = 203,836,435.26/15,134.75
  6. Step 6: Final answer
    x = 13,468.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.