Home / 19,669.24-27,144.12-10,717.12

Finding the Fourth Proportional to 19,669.24, 27,144.12 and 10,717.12

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Solution

The fourth proportional to 19,669.24, 27,144.12 and 10,717.12 is: 14,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.24 : 27,144.12 = 10,717.12 : x
  2. Step 2: Convert to fraction form
    19,669.24/27,144.12 = 10,717.12/x
  3. Step 3: Cross multiply
    19,669.24x = 27,144.12 × 10,717.12
  4. Step 4: Simplify right side
    19,669.24x = 290,906,791.33
  5. Step 5: Solve for x
    x = 290,906,791.33/19,669.24
  6. Step 6: Final answer
    x = 14,789.94

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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.