Home / 18,371.85-27,562.10-5,224.34

Finding the Fourth Proportional to 18,371.85, 27,562.10 and 5,224.34

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Solution

The fourth proportional to 18,371.85, 27,562.10 and 5,224.34 is: 7,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.85 : 27,562.10 = 5,224.34 : x
  2. Step 2: Convert to fraction form
    18,371.85/27,562.10 = 5,224.34/x
  3. Step 3: Cross multiply
    18,371.85x = 27,562.10 × 5,224.34
  4. Step 4: Simplify right side
    18,371.85x = 143,993,617.58
  5. Step 5: Solve for x
    x = 143,993,617.58/18,371.85
  6. Step 6: Final answer
    x = 7,837.73

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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.