Home / 19,892.06-27,451.24-10,939.62

Finding the Fourth Proportional to 19,892.06, 27,451.24 and 10,939.62

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Solution

The fourth proportional to 19,892.06, 27,451.24 and 10,939.62 is: 15,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.06 : 27,451.24 = 10,939.62 : x
  2. Step 2: Convert to fraction form
    19,892.06/27,451.24 = 10,939.62/x
  3. Step 3: Cross multiply
    19,892.06x = 27,451.24 × 10,939.62
  4. Step 4: Simplify right side
    19,892.06x = 300,306,134.13
  5. Step 5: Solve for x
    x = 300,306,134.13/19,892.06
  6. Step 6: Final answer
    x = 15,096.78

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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.