Home / 19,945.62-27,523.98-10,992.87

Finding the Fourth Proportional to 19,945.62, 27,523.98 and 10,992.87

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Solution

The fourth proportional to 19,945.62, 27,523.98 and 10,992.87 is: 15,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.62 : 27,523.98 = 10,992.87 : x
  2. Step 2: Convert to fraction form
    19,945.62/27,523.98 = 10,992.87/x
  3. Step 3: Cross multiply
    19,945.62x = 27,523.98 × 10,992.87
  4. Step 4: Simplify right side
    19,945.62x = 302,567,534.02
  5. Step 5: Solve for x
    x = 302,567,534.02/19,945.62
  6. Step 6: Final answer
    x = 15,169.62

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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.