Home / 25,796.28-38,694.27-12,453.72

Finding the Fourth Proportional to 25,796.28, 38,694.27 and 12,453.72

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Solution

The fourth proportional to 25,796.28, 38,694.27 and 12,453.72 is: 18,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,796.28 : 38,694.27 = 12,453.72 : x
  2. Step 2: Convert to fraction form
    25,796.28/38,694.27 = 12,453.72/x
  3. Step 3: Cross multiply
    25,796.28x = 38,694.27 × 12,453.72
  4. Step 4: Simplify right side
    25,796.28x = 481,887,604.18
  5. Step 5: Solve for x
    x = 481,887,604.18/25,796.28
  6. Step 6: Final answer
    x = 18,680.51

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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.