Home / 19,691.27-27,176.73-11,733.65

Finding the Fourth Proportional to 19,691.27, 27,176.73 and 11,733.65

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Solution

The fourth proportional to 19,691.27, 27,176.73 and 11,733.65 is: 16,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.27 : 27,176.73 = 11,733.65 : x
  2. Step 2: Convert to fraction form
    19,691.27/27,176.73 = 11,733.65/x
  3. Step 3: Cross multiply
    19,691.27x = 27,176.73 × 11,733.65
  4. Step 4: Simplify right side
    19,691.27x = 318,882,237.96
  5. Step 5: Solve for x
    x = 318,882,237.96/19,691.27
  6. Step 6: Final answer
    x = 16,194.09

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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.