Home / 26,874.03-40,300.10-12,078.97

Finding the Fourth Proportional to 26,874.03, 40,300.10 and 12,078.97

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Solution

The fourth proportional to 26,874.03, 40,300.10 and 12,078.97 is: 18,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.03 : 40,300.10 = 12,078.97 : x
  2. Step 2: Convert to fraction form
    26,874.03/40,300.10 = 12,078.97/x
  3. Step 3: Cross multiply
    26,874.03x = 40,300.10 × 12,078.97
  4. Step 4: Simplify right side
    26,874.03x = 486,783,729.09
  5. Step 5: Solve for x
    x = 486,783,729.09/26,874.03
  6. Step 6: Final answer
    x = 18,113.54

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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.