Home / 16,884.87-25,313.40-12,716.88

Finding the Fourth Proportional to 16,884.87, 25,313.40 and 12,716.88

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Solution

The fourth proportional to 16,884.87, 25,313.40 and 12,716.88 is: 19,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884.87 : 25,313.40 = 12,716.88 : x
  2. Step 2: Convert to fraction form
    16,884.87/25,313.40 = 12,716.88/x
  3. Step 3: Cross multiply
    16,884.87x = 25,313.40 × 12,716.88
  4. Step 4: Simplify right side
    16,884.87x = 321,907,470.19
  5. Step 5: Solve for x
    x = 321,907,470.19/16,884.87
  6. Step 6: Final answer
    x = 19,064.85

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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.