Home / 13,956.48-20,935.92-3,961.26

Finding the Fourth Proportional to 13,956.48, 20,935.92 and 3,961.26

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Solution

The fourth proportional to 13,956.48, 20,935.92 and 3,961.26 is: 5,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.48 : 20,935.92 = 3,961.26 : x
  2. Step 2: Convert to fraction form
    13,956.48/20,935.92 = 3,961.26/x
  3. Step 3: Cross multiply
    13,956.48x = 20,935.92 × 3,961.26
  4. Step 4: Simplify right side
    13,956.48x = 82,932,622.46
  5. Step 5: Solve for x
    x = 82,932,622.46/13,956.48
  6. Step 6: Final answer
    x = 5,942.23

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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.