Home / 19,945.38-27,524.31-10,992.66

Finding the Fourth Proportional to 19,945.38, 27,524.31 and 10,992.66

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Solution

The fourth proportional to 19,945.38, 27,524.31 and 10,992.66 is: 15,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.38 : 27,524.31 = 10,992.66 : x
  2. Step 2: Convert to fraction form
    19,945.38/27,524.31 = 10,992.66/x
  3. Step 3: Cross multiply
    19,945.38x = 27,524.31 × 10,992.66
  4. Step 4: Simplify right side
    19,945.38x = 302,565,381.56
  5. Step 5: Solve for x
    x = 302,565,381.56/19,945.38
  6. Step 6: Final answer
    x = 15,169.70

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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.