Home / 27,669.12-41,469.12-13,822.08

Finding the Fourth Proportional to 27,669.12, 41,469.12 and 13,822.08

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Solution

The fourth proportional to 27,669.12, 41,469.12 and 13,822.08 is: 20,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.12 : 41,469.12 = 13,822.08 : x
  2. Step 2: Convert to fraction form
    27,669.12/41,469.12 = 13,822.08/x
  3. Step 3: Cross multiply
    27,669.12x = 41,469.12 × 13,822.08
  4. Step 4: Simplify right side
    27,669.12x = 573,189,494.17
  5. Step 5: Solve for x
    x = 573,189,494.17/27,669.12
  6. Step 6: Final answer
    x = 20,715.86

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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.