Home / 13,961.36-20,941.88-4,100.29

Finding the Fourth Proportional to 13,961.36, 20,941.88 and 4,100.29

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Solution

The fourth proportional to 13,961.36, 20,941.88 and 4,100.29 is: 6,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.36 : 20,941.88 = 4,100.29 : x
  2. Step 2: Convert to fraction form
    13,961.36/20,941.88 = 4,100.29/x
  3. Step 3: Cross multiply
    13,961.36x = 20,941.88 × 4,100.29
  4. Step 4: Simplify right side
    13,961.36x = 85,867,708.29
  5. Step 5: Solve for x
    x = 85,867,708.29/13,961.36
  6. Step 6: Final answer
    x = 6,150.38

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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.