Home / 15,827.81-23,749.97-11,481.15

Finding the Fourth Proportional to 15,827.81, 23,749.97 and 11,481.15

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Solution

The fourth proportional to 15,827.81, 23,749.97 and 11,481.15 is: 17,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.81 : 23,749.97 = 11,481.15 : x
  2. Step 2: Convert to fraction form
    15,827.81/23,749.97 = 11,481.15/x
  3. Step 3: Cross multiply
    15,827.81x = 23,749.97 × 11,481.15
  4. Step 4: Simplify right side
    15,827.81x = 272,676,910.66
  5. Step 5: Solve for x
    x = 272,676,910.66/15,827.81
  6. Step 6: Final answer
    x = 17,227.71

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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.