Home / 19,747.16-29,620.73-7,906.25

Finding the Fourth Proportional to 19,747.16, 29,620.73 and 7,906.25

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Solution

The fourth proportional to 19,747.16, 29,620.73 and 7,906.25 is: 11,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.16 : 29,620.73 = 7,906.25 : x
  2. Step 2: Convert to fraction form
    19,747.16/29,620.73 = 7,906.25/x
  3. Step 3: Cross multiply
    19,747.16x = 29,620.73 × 7,906.25
  4. Step 4: Simplify right side
    19,747.16x = 234,188,708.93
  5. Step 5: Solve for x
    x = 234,188,708.93/19,747.16
  6. Step 6: Final answer
    x = 11,859.36

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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.