Home / 13,961.52-20,942.42-4,100.96

Finding the Fourth Proportional to 13,961.52, 20,942.42 and 4,100.96

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Solution

The fourth proportional to 13,961.52, 20,942.42 and 4,100.96 is: 6,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.52 : 20,942.42 = 4,100.96 : x
  2. Step 2: Convert to fraction form
    13,961.52/20,942.42 = 4,100.96/x
  3. Step 3: Cross multiply
    13,961.52x = 20,942.42 × 4,100.96
  4. Step 4: Simplify right side
    13,961.52x = 85,884,058.57
  5. Step 5: Solve for x
    x = 85,884,058.57/13,961.52
  6. Step 6: Final answer
    x = 6,151.48

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1.5x scale

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.