Home / 20,095.72-27,733.66-11,144.97

Finding the Fourth Proportional to 20,095.72, 27,733.66 and 11,144.97

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Solution

The fourth proportional to 20,095.72, 27,733.66 and 11,144.97 is: 15,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.72 : 27,733.66 = 11,144.97 : x
  2. Step 2: Convert to fraction form
    20,095.72/27,733.66 = 11,144.97/x
  3. Step 3: Cross multiply
    20,095.72x = 27,733.66 × 11,144.97
  4. Step 4: Simplify right side
    20,095.72x = 309,090,780.83
  5. Step 5: Solve for x
    x = 309,090,780.83/20,095.72
  6. Step 6: Final answer
    x = 15,380.93

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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.