Home / 19,786.97-29,633.34-11,449.42

Finding the Fourth Proportional to 19,786.97, 29,633.34 and 11,449.42

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Solution

The fourth proportional to 19,786.97, 29,633.34 and 11,449.42 is: 17,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.97 : 29,633.34 = 11,449.42 : x
  2. Step 2: Convert to fraction form
    19,786.97/29,633.34 = 11,449.42/x
  3. Step 3: Cross multiply
    19,786.97x = 29,633.34 × 11,449.42
  4. Step 4: Simplify right side
    19,786.97x = 339,284,524.51
  5. Step 5: Solve for x
    x = 339,284,524.51/19,786.97
  6. Step 6: Final answer
    x = 17,146.86

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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.