Home / 19,726.27-27,217.79-11,766.94

Finding the Fourth Proportional to 19,726.27, 27,217.79 and 11,766.94

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Solution

The fourth proportional to 19,726.27, 27,217.79 and 11,766.94 is: 16,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.27 : 27,217.79 = 11,766.94 : x
  2. Step 2: Convert to fraction form
    19,726.27/27,217.79 = 11,766.94/x
  3. Step 3: Cross multiply
    19,726.27x = 27,217.79 × 11,766.94
  4. Step 4: Simplify right side
    19,726.27x = 320,270,019.11
  5. Step 5: Solve for x
    x = 320,270,019.11/19,726.27
  6. Step 6: Final answer
    x = 16,235.71

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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.