Home / 16,786.64-25,181.40-8,028.56

Finding the Fourth Proportional to 16,786.64, 25,181.40 and 8,028.56

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Solution

The fourth proportional to 16,786.64, 25,181.40 and 8,028.56 is: 12,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.64 : 25,181.40 = 8,028.56 : x
  2. Step 2: Convert to fraction form
    16,786.64/25,181.40 = 8,028.56/x
  3. Step 3: Cross multiply
    16,786.64x = 25,181.40 × 8,028.56
  4. Step 4: Simplify right side
    16,786.64x = 202,170,380.78
  5. Step 5: Solve for x
    x = 202,170,380.78/16,786.64
  6. Step 6: Final answer
    x = 12,043.53

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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.