Home / 16,728.05-25,243.89-16,170.37

Finding the Fourth Proportional to 16,728.05, 25,243.89 and 16,170.37

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Solution

The fourth proportional to 16,728.05, 25,243.89 and 16,170.37 is: 24,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.05 : 25,243.89 = 16,170.37 : x
  2. Step 2: Convert to fraction form
    16,728.05/25,243.89 = 16,170.37/x
  3. Step 3: Cross multiply
    16,728.05x = 25,243.89 × 16,170.37
  4. Step 4: Simplify right side
    16,728.05x = 408,202,917.79
  5. Step 5: Solve for x
    x = 408,202,917.79/16,728.05
  6. Step 6: Final answer
    x = 24,402.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.