Home / 25,717.28-38,575.84-7,249.28

Finding the Fourth Proportional to 25,717.28, 38,575.84 and 7,249.28

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Solution

The fourth proportional to 25,717.28, 38,575.84 and 7,249.28 is: 10,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.28 : 38,575.84 = 7,249.28 : x
  2. Step 2: Convert to fraction form
    25,717.28/38,575.84 = 7,249.28/x
  3. Step 3: Cross multiply
    25,717.28x = 38,575.84 × 7,249.28
  4. Step 4: Simplify right side
    25,717.28x = 279,647,065.40
  5. Step 5: Solve for x
    x = 279,647,065.40/25,717.28
  6. Step 6: Final answer
    x = 10,873.90

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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.