Home / 16,757.68-25,139.76-7,993.28

Finding the Fourth Proportional to 16,757.68, 25,139.76 and 7,993.28

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Solution

The fourth proportional to 16,757.68, 25,139.76 and 7,993.28 is: 11,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,757.68 : 25,139.76 = 7,993.28 : x
  2. Step 2: Convert to fraction form
    16,757.68/25,139.76 = 7,993.28/x
  3. Step 3: Cross multiply
    16,757.68x = 25,139.76 × 7,993.28
  4. Step 4: Simplify right side
    16,757.68x = 200,949,140.81
  5. Step 5: Solve for x
    x = 200,949,140.81/16,757.68
  6. Step 6: Final answer
    x = 11,991.47

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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.