Home / 18,972.52-26,183.50-11,015.96

Finding the Fourth Proportional to 18,972.52, 26,183.50 and 11,015.96

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Solution

The fourth proportional to 18,972.52, 26,183.50 and 11,015.96 is: 15,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.52 : 26,183.50 = 11,015.96 : x
  2. Step 2: Convert to fraction form
    18,972.52/26,183.50 = 11,015.96/x
  3. Step 3: Cross multiply
    18,972.52x = 26,183.50 × 11,015.96
  4. Step 4: Simplify right side
    18,972.52x = 288,436,230.20
  5. Step 5: Solve for x
    x = 288,436,230.20/18,972.52
  6. Step 6: Final answer
    x = 15,202.84

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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.