Home / 18,545.87-27,824.75-5,399.03

Finding the Fourth Proportional to 18,545.87, 27,824.75 and 5,399.03

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Solution

The fourth proportional to 18,545.87, 27,824.75 and 5,399.03 is: 8,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.87 : 27,824.75 = 5,399.03 : x
  2. Step 2: Convert to fraction form
    18,545.87/27,824.75 = 5,399.03/x
  3. Step 3: Cross multiply
    18,545.87x = 27,824.75 × 5,399.03
  4. Step 4: Simplify right side
    18,545.87x = 150,226,493.87
  5. Step 5: Solve for x
    x = 150,226,493.87/18,545.87
  6. Step 6: Final answer
    x = 8,100.27

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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.