Home / 13,961.03-20,941.88-4,100.61

Finding the Fourth Proportional to 13,961.03, 20,941.88 and 4,100.61

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Solution

The fourth proportional to 13,961.03, 20,941.88 and 4,100.61 is: 6,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.03 : 20,941.88 = 4,100.61 : x
  2. Step 2: Convert to fraction form
    13,961.03/20,941.88 = 4,100.61/x
  3. Step 3: Cross multiply
    13,961.03x = 20,941.88 × 4,100.61
  4. Step 4: Simplify right side
    13,961.03x = 85,874,540.58
  5. Step 5: Solve for x
    x = 85,874,540.58/13,961.03
  6. Step 6: Final answer
    x = 6,151.02

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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.