Home / 19,850.76-27,392.04-11,892.78

Finding the Fourth Proportional to 19,850.76, 27,392.04 and 11,892.78

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Solution

The fourth proportional to 19,850.76, 27,392.04 and 11,892.78 is: 16,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.76 : 27,392.04 = 11,892.78 : x
  2. Step 2: Convert to fraction form
    19,850.76/27,392.04 = 11,892.78/x
  3. Step 3: Cross multiply
    19,850.76x = 27,392.04 × 11,892.78
  4. Step 4: Simplify right side
    19,850.76x = 325,767,505.47
  5. Step 5: Solve for x
    x = 325,767,505.47/19,850.76
  6. Step 6: Final answer
    x = 16,410.83

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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.