Home / 27,773.82-38,360.66-18,805.77

Finding the Fourth Proportional to 27,773.82, 38,360.66 and 18,805.77

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Solution

The fourth proportional to 27,773.82, 38,360.66 and 18,805.77 is: 25,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.82 : 38,360.66 = 18,805.77 : x
  2. Step 2: Convert to fraction form
    27,773.82/38,360.66 = 18,805.77/x
  3. Step 3: Cross multiply
    27,773.82x = 38,360.66 × 18,805.77
  4. Step 4: Simplify right side
    27,773.82x = 721,401,654.98
  5. Step 5: Solve for x
    x = 721,401,654.98/27,773.82
  6. Step 6: Final answer
    x = 25,974.16

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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.