Home / 13,716.46-20,582.18-5,817.75

Finding the Fourth Proportional to 13,716.46, 20,582.18 and 5,817.75

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Solution

The fourth proportional to 13,716.46, 20,582.18 and 5,817.75 is: 8,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.46 : 20,582.18 = 5,817.75 : x
  2. Step 2: Convert to fraction form
    13,716.46/20,582.18 = 5,817.75/x
  3. Step 3: Cross multiply
    13,716.46x = 20,582.18 × 5,817.75
  4. Step 4: Simplify right side
    13,716.46x = 119,741,977.70
  5. Step 5: Solve for x
    x = 119,741,977.70/13,716.46
  6. Step 6: Final answer
    x = 8,729.80

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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.