Home / 26,922.78-40,355.82-12,874.14

Finding the Fourth Proportional to 26,922.78, 40,355.82 and 12,874.14

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Solution

The fourth proportional to 26,922.78, 40,355.82 and 12,874.14 is: 19,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.78 : 40,355.82 = 12,874.14 : x
  2. Step 2: Convert to fraction form
    26,922.78/40,355.82 = 12,874.14/x
  3. Step 3: Cross multiply
    26,922.78x = 40,355.82 × 12,874.14
  4. Step 4: Simplify right side
    26,922.78x = 519,546,476.49
  5. Step 5: Solve for x
    x = 519,546,476.49/26,922.78
  6. Step 6: Final answer
    x = 19,297.65

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1.5x scale

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.