Home / 19,634.56-29,229.75-19,517.78

Finding the Fourth Proportional to 19,634.56, 29,229.75 and 19,517.78

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Solution

The fourth proportional to 19,634.56, 29,229.75 and 19,517.78 is: 29,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.56 : 29,229.75 = 19,517.78 : x
  2. Step 2: Convert to fraction form
    19,634.56/29,229.75 = 19,517.78/x
  3. Step 3: Cross multiply
    19,634.56x = 29,229.75 × 19,517.78
  4. Step 4: Simplify right side
    19,634.56x = 570,499,896.13
  5. Step 5: Solve for x
    x = 570,499,896.13/19,634.56
  6. Step 6: Final answer
    x = 29,055.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.