Home / 17,640.77-26,469.25-7,648.56

Finding the Fourth Proportional to 17,640.77, 26,469.25 and 7,648.56

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Solution

The fourth proportional to 17,640.77, 26,469.25 and 7,648.56 is: 11,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.77 : 26,469.25 = 7,648.56 : x
  2. Step 2: Convert to fraction form
    17,640.77/26,469.25 = 7,648.56/x
  3. Step 3: Cross multiply
    17,640.77x = 26,469.25 × 7,648.56
  4. Step 4: Simplify right side
    17,640.77x = 202,451,646.78
  5. Step 5: Solve for x
    x = 202,451,646.78/17,640.77
  6. Step 6: Final answer
    x = 11,476.35

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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.