Home / 19,735.03-27,234.66-11,781.91

Finding the Fourth Proportional to 19,735.03, 27,234.66 and 11,781.91

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Solution

The fourth proportional to 19,735.03, 27,234.66 and 11,781.91 is: 16,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.03 : 27,234.66 = 11,781.91 : x
  2. Step 2: Convert to fraction form
    19,735.03/27,234.66 = 11,781.91/x
  3. Step 3: Cross multiply
    19,735.03x = 27,234.66 × 11,781.91
  4. Step 4: Simplify right side
    19,735.03x = 320,876,313.00
  5. Step 5: Solve for x
    x = 320,876,313.00/19,735.03
  6. Step 6: Final answer
    x = 16,259.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.