Home / 16,912.10-25,331.70-15,065.30

Finding the Fourth Proportional to 16,912.10, 25,331.70 and 15,065.30

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Solution

The fourth proportional to 16,912.10, 25,331.70 and 15,065.30 is: 22,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.10 : 25,331.70 = 15,065.30 : x
  2. Step 2: Convert to fraction form
    16,912.10/25,331.70 = 15,065.30/x
  3. Step 3: Cross multiply
    16,912.10x = 25,331.70 × 15,065.30
  4. Step 4: Simplify right side
    16,912.10x = 381,629,660.01
  5. Step 5: Solve for x
    x = 381,629,660.01/16,912.10
  6. Step 6: Final answer
    x = 22,565.48

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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.