Home / 19,786.38-27,304.13-10,832.15

Finding the Fourth Proportional to 19,786.38, 27,304.13 and 10,832.15

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Solution

The fourth proportional to 19,786.38, 27,304.13 and 10,832.15 is: 14,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.38 : 27,304.13 = 10,832.15 : x
  2. Step 2: Convert to fraction form
    19,786.38/27,304.13 = 10,832.15/x
  3. Step 3: Cross multiply
    19,786.38x = 27,304.13 × 10,832.15
  4. Step 4: Simplify right side
    19,786.38x = 295,762,241.10
  5. Step 5: Solve for x
    x = 295,762,241.10/19,786.38
  6. Step 6: Final answer
    x = 14,947.77

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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.