Home / 13,817.64-20,723.53-3,954.27

Finding the Fourth Proportional to 13,817.64, 20,723.53 and 3,954.27

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Solution

The fourth proportional to 13,817.64, 20,723.53 and 3,954.27 is: 5,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.64 : 20,723.53 = 3,954.27 : x
  2. Step 2: Convert to fraction form
    13,817.64/20,723.53 = 3,954.27/x
  3. Step 3: Cross multiply
    13,817.64x = 20,723.53 × 3,954.27
  4. Step 4: Simplify right side
    13,817.64x = 81,946,432.97
  5. Step 5: Solve for x
    x = 81,946,432.97/13,817.64
  6. Step 6: Final answer
    x = 5,930.57

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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.