Home / 17,162.24-25,747.88-5,315.72

Finding the Fourth Proportional to 17,162.24, 25,747.88 and 5,315.72

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Solution

The fourth proportional to 17,162.24, 25,747.88 and 5,315.72 is: 7,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,162.24 : 25,747.88 = 5,315.72 : x
  2. Step 2: Convert to fraction form
    17,162.24/25,747.88 = 5,315.72/x
  3. Step 3: Cross multiply
    17,162.24x = 25,747.88 × 5,315.72
  4. Step 4: Simplify right side
    17,162.24x = 136,868,365.36
  5. Step 5: Solve for x
    x = 136,868,365.36/17,162.24
  6. Step 6: Final answer
    x = 7,974.97

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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.