Home / 20,096.72-27,735.04-11,145.97

Finding the Fourth Proportional to 20,096.72, 27,735.04 and 11,145.97

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Solution

The fourth proportional to 20,096.72, 27,735.04 and 11,145.97 is: 15,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.72 : 27,735.04 = 11,145.97 : x
  2. Step 2: Convert to fraction form
    20,096.72/27,735.04 = 11,145.97/x
  3. Step 3: Cross multiply
    20,096.72x = 27,735.04 × 11,145.97
  4. Step 4: Simplify right side
    20,096.72x = 309,133,923.79
  5. Step 5: Solve for x
    x = 309,133,923.79/20,096.72
  6. Step 6: Final answer
    x = 15,382.31

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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.