Home / 26,570.92-39,871.96-11,781.48

Finding the Fourth Proportional to 26,570.92, 39,871.96 and 11,781.48

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Solution

The fourth proportional to 26,570.92, 39,871.96 and 11,781.48 is: 17,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.92 : 39,871.96 = 11,781.48 : x
  2. Step 2: Convert to fraction form
    26,570.92/39,871.96 = 11,781.48/x
  3. Step 3: Cross multiply
    26,570.92x = 39,871.96 × 11,781.48
  4. Step 4: Simplify right side
    26,570.92x = 469,750,699.30
  5. Step 5: Solve for x
    x = 469,750,699.30/26,570.92
  6. Step 6: Final answer
    x = 17,679.13

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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.