Home / 18,716.48-25,829.52-10,761.20

Finding the Fourth Proportional to 18,716.48, 25,829.52 and 10,761.20

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Solution

The fourth proportional to 18,716.48, 25,829.52 and 10,761.20 is: 14,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.48 : 25,829.52 = 10,761.20 : x
  2. Step 2: Convert to fraction form
    18,716.48/25,829.52 = 10,761.20/x
  3. Step 3: Cross multiply
    18,716.48x = 25,829.52 × 10,761.20
  4. Step 4: Simplify right side
    18,716.48x = 277,956,630.62
  5. Step 5: Solve for x
    x = 277,956,630.62/18,716.48
  6. Step 6: Final answer
    x = 14,850.90

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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.