Home / 19,936.91-27,512.28-10,984.38

Finding the Fourth Proportional to 19,936.91, 27,512.28 and 10,984.38

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Solution

The fourth proportional to 19,936.91, 27,512.28 and 10,984.38 is: 15,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.91 : 27,512.28 = 10,984.38 : x
  2. Step 2: Convert to fraction form
    19,936.91/27,512.28 = 10,984.38/x
  3. Step 3: Cross multiply
    19,936.91x = 27,512.28 × 10,984.38
  4. Step 4: Simplify right side
    19,936.91x = 302,205,338.19
  5. Step 5: Solve for x
    x = 302,205,338.19/19,936.91
  6. Step 6: Final answer
    x = 15,158.09

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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.