Home / 20,097.18-27,733.73-11,144.66

Finding the Fourth Proportional to 20,097.18, 27,733.73 and 11,144.66

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Solution

The fourth proportional to 20,097.18, 27,733.73 and 11,144.66 is: 15,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.18 : 27,733.73 = 11,144.66 : x
  2. Step 2: Convert to fraction form
    20,097.18/27,733.73 = 11,144.66/x
  3. Step 3: Cross multiply
    20,097.18x = 27,733.73 × 11,144.66
  4. Step 4: Simplify right side
    20,097.18x = 309,082,796.99
  5. Step 5: Solve for x
    x = 309,082,796.99/20,097.18
  6. Step 6: Final answer
    x = 15,379.41

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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.