Home / 17,114.48-25,680.75-12,148.92

Finding the Fourth Proportional to 17,114.48, 25,680.75 and 12,148.92

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Solution

The fourth proportional to 17,114.48, 25,680.75 and 12,148.92 is: 18,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,114.48 : 25,680.75 = 12,148.92 : x
  2. Step 2: Convert to fraction form
    17,114.48/25,680.75 = 12,148.92/x
  3. Step 3: Cross multiply
    17,114.48x = 25,680.75 × 12,148.92
  4. Step 4: Simplify right side
    17,114.48x = 311,993,331.73
  5. Step 5: Solve for x
    x = 311,993,331.73/17,114.48
  6. Step 6: Final answer
    x = 18,229.79

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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.