Home / 19,827.38-27,361.78-10,995.38

Finding the Fourth Proportional to 19,827.38, 27,361.78 and 10,995.38

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Solution

The fourth proportional to 19,827.38, 27,361.78 and 10,995.38 is: 15,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.38 : 27,361.78 = 10,995.38 : x
  2. Step 2: Convert to fraction form
    19,827.38/27,361.78 = 10,995.38/x
  3. Step 3: Cross multiply
    19,827.38x = 27,361.78 × 10,995.38
  4. Step 4: Simplify right side
    19,827.38x = 300,853,004.28
  5. Step 5: Solve for x
    x = 300,853,004.28/19,827.38
  6. Step 6: Final answer
    x = 15,173.62

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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.