Home / 17,117.64-25,651.20-7,760.52

Finding the Fourth Proportional to 17,117.64, 25,651.20 and 7,760.52

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Solution

The fourth proportional to 17,117.64, 25,651.20 and 7,760.52 is: 11,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.64 : 25,651.20 = 7,760.52 : x
  2. Step 2: Convert to fraction form
    17,117.64/25,651.20 = 7,760.52/x
  3. Step 3: Cross multiply
    17,117.64x = 25,651.20 × 7,760.52
  4. Step 4: Simplify right side
    17,117.64x = 199,066,650.62
  5. Step 5: Solve for x
    x = 199,066,650.62/17,117.64
  6. Step 6: Final answer
    x = 11,629.33

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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.