Home / 19,786.26-27,306.64-11,402.76

Finding the Fourth Proportional to 19,786.26, 27,306.64 and 11,402.76

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Solution

The fourth proportional to 19,786.26, 27,306.64 and 11,402.76 is: 15,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.26 : 27,306.64 = 11,402.76 : x
  2. Step 2: Convert to fraction form
    19,786.26/27,306.64 = 11,402.76/x
  3. Step 3: Cross multiply
    19,786.26x = 27,306.64 × 11,402.76
  4. Step 4: Simplify right side
    19,786.26x = 311,371,062.33
  5. Step 5: Solve for x
    x = 311,371,062.33/19,786.26
  6. Step 6: Final answer
    x = 15,736.73

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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.