Home / 18,553.28-27,826.48-5,402.53

Finding the Fourth Proportional to 18,553.28, 27,826.48 and 5,402.53

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Solution

The fourth proportional to 18,553.28, 27,826.48 and 5,402.53 is: 8,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.28 : 27,826.48 = 5,402.53 : x
  2. Step 2: Convert to fraction form
    18,553.28/27,826.48 = 5,402.53/x
  3. Step 3: Cross multiply
    18,553.28x = 27,826.48 × 5,402.53
  4. Step 4: Simplify right side
    18,553.28x = 150,333,309.92
  5. Step 5: Solve for x
    x = 150,333,309.92/18,553.28
  6. Step 6: Final answer
    x = 8,102.79

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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.