Home / 23,168.76-34,771.78-13,179.88

Finding the Fourth Proportional to 23,168.76, 34,771.78 and 13,179.88

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Solution

The fourth proportional to 23,168.76, 34,771.78 and 13,179.88 is: 19,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,168.76 : 34,771.78 = 13,179.88 : x
  2. Step 2: Convert to fraction form
    23,168.76/34,771.78 = 13,179.88/x
  3. Step 3: Cross multiply
    23,168.76x = 34,771.78 × 13,179.88
  4. Step 4: Simplify right side
    23,168.76x = 458,287,887.79
  5. Step 5: Solve for x
    x = 458,287,887.79/23,168.76
  6. Step 6: Final answer
    x = 19,780.42

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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.