Home / 25,754.20-38,634.27-9,115.69

Finding the Fourth Proportional to 25,754.20, 38,634.27 and 9,115.69

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Solution

The fourth proportional to 25,754.20, 38,634.27 and 9,115.69 is: 13,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754.20 : 38,634.27 = 9,115.69 : x
  2. Step 2: Convert to fraction form
    25,754.20/38,634.27 = 9,115.69/x
  3. Step 3: Cross multiply
    25,754.20x = 38,634.27 × 9,115.69
  4. Step 4: Simplify right side
    25,754.20x = 352,177,970.37
  5. Step 5: Solve for x
    x = 352,177,970.37/25,754.20
  6. Step 6: Final answer
    x = 13,674.58

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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.