Home / 26,655.48-39,991.19-7,936.16

Finding the Fourth Proportional to 26,655.48, 39,991.19 and 7,936.16

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Solution

The fourth proportional to 26,655.48, 39,991.19 and 7,936.16 is: 11,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.48 : 39,991.19 = 7,936.16 : x
  2. Step 2: Convert to fraction form
    26,655.48/39,991.19 = 7,936.16/x
  3. Step 3: Cross multiply
    26,655.48x = 39,991.19 × 7,936.16
  4. Step 4: Simplify right side
    26,655.48x = 317,376,242.79
  5. Step 5: Solve for x
    x = 317,376,242.79/26,655.48
  6. Step 6: Final answer
    x = 11,906.60

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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.