Home / 18,464.14-27,679.20-7,363.90

Finding the Fourth Proportional to 18,464.14, 27,679.20 and 7,363.90

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Solution

The fourth proportional to 18,464.14, 27,679.20 and 7,363.90 is: 11,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.14 : 27,679.20 = 7,363.90 : x
  2. Step 2: Convert to fraction form
    18,464.14/27,679.20 = 7,363.90/x
  3. Step 3: Cross multiply
    18,464.14x = 27,679.20 × 7,363.90
  4. Step 4: Simplify right side
    18,464.14x = 203,826,860.88
  5. Step 5: Solve for x
    x = 203,826,860.88/18,464.14
  6. Step 6: Final answer
    x = 11,039.07

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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.