Home / 19,618.75-27,067.89-11,119.51

Finding the Fourth Proportional to 19,618.75, 27,067.89 and 11,119.51

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Solution

The fourth proportional to 19,618.75, 27,067.89 and 11,119.51 is: 15,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.75 : 27,067.89 = 11,119.51 : x
  2. Step 2: Convert to fraction form
    19,618.75/27,067.89 = 11,119.51/x
  3. Step 3: Cross multiply
    19,618.75x = 27,067.89 × 11,119.51
  4. Step 4: Simplify right side
    19,618.75x = 300,981,673.53
  5. Step 5: Solve for x
    x = 300,981,673.53/19,618.75
  6. Step 6: Final answer
    x = 15,341.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.