Home / 17,991.27-27,000.77-11,749.59

Finding the Fourth Proportional to 17,991.27, 27,000.77 and 11,749.59

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Solution

The fourth proportional to 17,991.27, 27,000.77 and 11,749.59 is: 17,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.27 : 27,000.77 = 11,749.59 : x
  2. Step 2: Convert to fraction form
    17,991.27/27,000.77 = 11,749.59/x
  3. Step 3: Cross multiply
    17,991.27x = 27,000.77 × 11,749.59
  4. Step 4: Simplify right side
    17,991.27x = 317,247,918.44
  5. Step 5: Solve for x
    x = 317,247,918.44/17,991.27
  6. Step 6: Final answer
    x = 17,633.44

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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.