Home / 18,137.88-27,201.06-5,823

Finding the Fourth Proportional to 18,137.88, 27,201.06 and 5,823

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Solution

The fourth proportional to 18,137.88, 27,201.06 and 5,823 is: 8,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.88 : 27,201.06 = 5,823 : x
  2. Step 2: Convert to fraction form
    18,137.88/27,201.06 = 5,823/x
  3. Step 3: Cross multiply
    18,137.88x = 27,201.06 × 5,823
  4. Step 4: Simplify right side
    18,137.88x = 158,391,772.38
  5. Step 5: Solve for x
    x = 158,391,772.38/18,137.88
  6. Step 6: Final answer
    x = 8,732.65

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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.