Home / 27,443.30-41,156.78-11,648.12

Finding the Fourth Proportional to 27,443.30, 41,156.78 and 11,648.12

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Solution

The fourth proportional to 27,443.30, 41,156.78 and 11,648.12 is: 17,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,443.30 : 41,156.78 = 11,648.12 : x
  2. Step 2: Convert to fraction form
    27,443.30/41,156.78 = 11,648.12/x
  3. Step 3: Cross multiply
    27,443.30x = 41,156.78 × 11,648.12
  4. Step 4: Simplify right side
    27,443.30x = 479,398,848.23
  5. Step 5: Solve for x
    x = 479,398,848.23/27,443.30
  6. Step 6: Final answer
    x = 17,468.71

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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.