Home / 17,019.96-25,530.12-5,175.66

Finding the Fourth Proportional to 17,019.96, 25,530.12 and 5,175.66

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Solution

The fourth proportional to 17,019.96, 25,530.12 and 5,175.66 is: 7,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.96 : 25,530.12 = 5,175.66 : x
  2. Step 2: Convert to fraction form
    17,019.96/25,530.12 = 5,175.66/x
  3. Step 3: Cross multiply
    17,019.96x = 25,530.12 × 5,175.66
  4. Step 4: Simplify right side
    17,019.96x = 132,135,079.37
  5. Step 5: Solve for x
    x = 132,135,079.37/17,019.96
  6. Step 6: Final answer
    x = 7,763.54

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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.