Home / 17,078.20-25,589.70-9,660.60

Finding the Fourth Proportional to 17,078.20, 25,589.70 and 9,660.60

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Solution

The fourth proportional to 17,078.20, 25,589.70 and 9,660.60 is: 14,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.20 : 25,589.70 = 9,660.60 : x
  2. Step 2: Convert to fraction form
    17,078.20/25,589.70 = 9,660.60/x
  3. Step 3: Cross multiply
    17,078.20x = 25,589.70 × 9,660.60
  4. Step 4: Simplify right side
    17,078.20x = 247,211,855.82
  5. Step 5: Solve for x
    x = 247,211,855.82/17,078.20
  6. Step 6: Final answer
    x = 14,475.29

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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.