Home / 26,910.13-40,373.84-8,193.79

Finding the Fourth Proportional to 26,910.13, 40,373.84 and 8,193.79

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Solution

The fourth proportional to 26,910.13, 40,373.84 and 8,193.79 is: 12,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.13 : 40,373.84 = 8,193.79 : x
  2. Step 2: Convert to fraction form
    26,910.13/40,373.84 = 8,193.79/x
  3. Step 3: Cross multiply
    26,910.13x = 40,373.84 × 8,193.79
  4. Step 4: Simplify right side
    26,910.13x = 330,814,766.45
  5. Step 5: Solve for x
    x = 330,814,766.45/26,910.13
  6. Step 6: Final answer
    x = 12,293.32

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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.