Home / 25,450.68-38,179.66-7,922.28

Finding the Fourth Proportional to 25,450.68, 38,179.66 and 7,922.28

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Solution

The fourth proportional to 25,450.68, 38,179.66 and 7,922.28 is: 11,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.68 : 38,179.66 = 7,922.28 : x
  2. Step 2: Convert to fraction form
    25,450.68/38,179.66 = 7,922.28/x
  3. Step 3: Cross multiply
    25,450.68x = 38,179.66 × 7,922.28
  4. Step 4: Simplify right side
    25,450.68x = 302,469,956.82
  5. Step 5: Solve for x
    x = 302,469,956.82/25,450.68
  6. Step 6: Final answer
    x = 11,884.55

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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.