Home / 26,578.94-39,854.43-11,781.45

Finding the Fourth Proportional to 26,578.94, 39,854.43 and 11,781.45

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Solution

The fourth proportional to 26,578.94, 39,854.43 and 11,781.45 is: 17,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,578.94 : 39,854.43 = 11,781.45 : x
  2. Step 2: Convert to fraction form
    26,578.94/39,854.43 = 11,781.45/x
  3. Step 3: Cross multiply
    26,578.94x = 39,854.43 × 11,781.45
  4. Step 4: Simplify right side
    26,578.94x = 469,542,974.32
  5. Step 5: Solve for x
    x = 469,542,974.32/26,578.94
  6. Step 6: Final answer
    x = 17,665.98

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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.