Home / 15,982.69-23,986.59-11,086.78

Finding the Fourth Proportional to 15,982.69, 23,986.59 and 11,086.78

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Solution

The fourth proportional to 15,982.69, 23,986.59 and 11,086.78 is: 16,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.69 : 23,986.59 = 11,086.78 : x
  2. Step 2: Convert to fraction form
    15,982.69/23,986.59 = 11,086.78/x
  3. Step 3: Cross multiply
    15,982.69x = 23,986.59 × 11,086.78
  4. Step 4: Simplify right side
    15,982.69x = 265,934,046.28
  5. Step 5: Solve for x
    x = 265,934,046.28/15,982.69
  6. Step 6: Final answer
    x = 16,638.88

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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.