Home / 17,299.46-25,949.16-12,378.71

Finding the Fourth Proportional to 17,299.46, 25,949.16 and 12,378.71

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Solution

The fourth proportional to 17,299.46, 25,949.16 and 12,378.71 is: 18,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,299.46 : 25,949.16 = 12,378.71 : x
  2. Step 2: Convert to fraction form
    17,299.46/25,949.16 = 12,378.71/x
  3. Step 3: Cross multiply
    17,299.46x = 25,949.16 × 12,378.71
  4. Step 4: Simplify right side
    17,299.46x = 321,216,996.64
  5. Step 5: Solve for x
    x = 321,216,996.64/17,299.46
  6. Step 6: Final answer
    x = 18,568.04

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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.