Home / 26,961.21-40,454.69-12,174.66

Finding the Fourth Proportional to 26,961.21, 40,454.69 and 12,174.66

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Solution

The fourth proportional to 26,961.21, 40,454.69 and 12,174.66 is: 18,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,961.21 : 40,454.69 = 12,174.66 : x
  2. Step 2: Convert to fraction form
    26,961.21/40,454.69 = 12,174.66/x
  3. Step 3: Cross multiply
    26,961.21x = 40,454.69 × 12,174.66
  4. Step 4: Simplify right side
    26,961.21x = 492,522,035.28
  5. Step 5: Solve for x
    x = 492,522,035.28/26,961.21
  6. Step 6: Final answer
    x = 18,267.80

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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.