Home / 16,850.28-25,254.92-11,921.34

Finding the Fourth Proportional to 16,850.28, 25,254.92 and 11,921.34

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Solution

The fourth proportional to 16,850.28, 25,254.92 and 11,921.34 is: 17,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,850.28 : 25,254.92 = 11,921.34 : x
  2. Step 2: Convert to fraction form
    16,850.28/25,254.92 = 11,921.34/x
  3. Step 3: Cross multiply
    16,850.28x = 25,254.92 × 11,921.34
  4. Step 4: Simplify right side
    16,850.28x = 301,072,517.80
  5. Step 5: Solve for x
    x = 301,072,517.80/16,850.28
  6. Step 6: Final answer
    x = 17,867.51

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1.5x scale

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.