Home / 19,936.71-27,512.97-10,984.17

Finding the Fourth Proportional to 19,936.71, 27,512.97 and 10,984.17

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Solution

The fourth proportional to 19,936.71, 27,512.97 and 10,984.17 is: 15,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.71 : 27,512.97 = 10,984.17 : x
  2. Step 2: Convert to fraction form
    19,936.71/27,512.97 = 10,984.17/x
  3. Step 3: Cross multiply
    19,936.71x = 27,512.97 × 10,984.17
  4. Step 4: Simplify right side
    19,936.71x = 302,207,139.68
  5. Step 5: Solve for x
    x = 302,207,139.68/19,936.71
  6. Step 6: Final answer
    x = 15,158.33

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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.