Home / 19,945.44-27,524.28-10,992.71

Finding the Fourth Proportional to 19,945.44, 27,524.28 and 10,992.71

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Solution

The fourth proportional to 19,945.44, 27,524.28 and 10,992.71 is: 15,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.44 : 27,524.28 = 10,992.71 : x
  2. Step 2: Convert to fraction form
    19,945.44/27,524.28 = 10,992.71/x
  3. Step 3: Cross multiply
    19,945.44x = 27,524.28 × 10,992.71
  4. Step 4: Simplify right side
    19,945.44x = 302,566,428.00
  5. Step 5: Solve for x
    x = 302,566,428.00/19,945.44
  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.