Home / 13,716.44-20,583.18-6,321.98

Finding the Fourth Proportional to 13,716.44, 20,583.18 and 6,321.98

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Solution

The fourth proportional to 13,716.44, 20,583.18 and 6,321.98 is: 9,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.44 : 20,583.18 = 6,321.98 : x
  2. Step 2: Convert to fraction form
    13,716.44/20,583.18 = 6,321.98/x
  3. Step 3: Cross multiply
    13,716.44x = 20,583.18 × 6,321.98
  4. Step 4: Simplify right side
    13,716.44x = 130,126,452.30
  5. Step 5: Solve for x
    x = 130,126,452.30/13,716.44
  6. Step 6: Final answer
    x = 9,486.90

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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.