Home / 13,474.15-20,213.37-4,112.02

Finding the Fourth Proportional to 13,474.15, 20,213.37 and 4,112.02

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Solution

The fourth proportional to 13,474.15, 20,213.37 and 4,112.02 is: 6,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.15 : 20,213.37 = 4,112.02 : x
  2. Step 2: Convert to fraction form
    13,474.15/20,213.37 = 4,112.02/x
  3. Step 3: Cross multiply
    13,474.15x = 20,213.37 × 4,112.02
  4. Step 4: Simplify right side
    13,474.15x = 83,117,781.71
  5. Step 5: Solve for x
    x = 83,117,781.71/13,474.15
  6. Step 6: Final answer
    x = 6,168.68

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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.