Home / 18,024.20-27,027.90-5,541.08

Finding the Fourth Proportional to 18,024.20, 27,027.90 and 5,541.08

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Solution

The fourth proportional to 18,024.20, 27,027.90 and 5,541.08 is: 8,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.20 : 27,027.90 = 5,541.08 : x
  2. Step 2: Convert to fraction form
    18,024.20/27,027.90 = 5,541.08/x
  3. Step 3: Cross multiply
    18,024.20x = 27,027.90 × 5,541.08
  4. Step 4: Simplify right side
    18,024.20x = 149,763,756.13
  5. Step 5: Solve for x
    x = 149,763,756.13/18,024.20
  6. Step 6: Final answer
    x = 8,309.04

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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.