Home / 14,049.20-21,080.68-5,735.28

Finding the Fourth Proportional to 14,049.20, 21,080.68 and 5,735.28

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Solution

The fourth proportional to 14,049.20, 21,080.68 and 5,735.28 is: 8,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.20 : 21,080.68 = 5,735.28 : x
  2. Step 2: Convert to fraction form
    14,049.20/21,080.68 = 5,735.28/x
  3. Step 3: Cross multiply
    14,049.20x = 21,080.68 × 5,735.28
  4. Step 4: Simplify right side
    14,049.20x = 120,903,602.39
  5. Step 5: Solve for x
    x = 120,903,602.39/14,049.20
  6. Step 6: Final answer
    x = 8,605.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.