Home / 16,748.16-25,121.60-6,757.20

Finding the Fourth Proportional to 16,748.16, 25,121.60 and 6,757.20

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Solution

The fourth proportional to 16,748.16, 25,121.60 and 6,757.20 is: 10,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,748.16 : 25,121.60 = 6,757.20 : x
  2. Step 2: Convert to fraction form
    16,748.16/25,121.60 = 6,757.20/x
  3. Step 3: Cross multiply
    16,748.16x = 25,121.60 × 6,757.20
  4. Step 4: Simplify right side
    16,748.16x = 169,751,675.52
  5. Step 5: Solve for x
    x = 169,751,675.52/16,748.16
  6. Step 6: Final answer
    x = 10,135.54

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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.