Home / 13,960.26-20,942.67-4,099.86

Finding the Fourth Proportional to 13,960.26, 20,942.67 and 4,099.86

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Solution

The fourth proportional to 13,960.26, 20,942.67 and 4,099.86 is: 6,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.26 : 20,942.67 = 4,099.86 : x
  2. Step 2: Convert to fraction form
    13,960.26/20,942.67 = 4,099.86/x
  3. Step 3: Cross multiply
    13,960.26x = 20,942.67 × 4,099.86
  4. Step 4: Simplify right side
    13,960.26x = 85,862,015.03
  5. Step 5: Solve for x
    x = 85,862,015.03/13,960.26
  6. Step 6: Final answer
    x = 6,150.46

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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.