Home / 16,872.05-25,308.30-5,185.27

Finding the Fourth Proportional to 16,872.05, 25,308.30 and 5,185.27

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Solution

The fourth proportional to 16,872.05, 25,308.30 and 5,185.27 is: 7,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.05 : 25,308.30 = 5,185.27 : x
  2. Step 2: Convert to fraction form
    16,872.05/25,308.30 = 5,185.27/x
  3. Step 3: Cross multiply
    16,872.05x = 25,308.30 × 5,185.27
  4. Step 4: Simplify right side
    16,872.05x = 131,230,248.29
  5. Step 5: Solve for x
    x = 131,230,248.29/16,872.05
  6. Step 6: Final answer
    x = 7,777.97

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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.