Home / 19,936.41-27,512.26-10,983.84

Finding the Fourth Proportional to 19,936.41, 27,512.26 and 10,983.84

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Solution

The fourth proportional to 19,936.41, 27,512.26 and 10,983.84 is: 15,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.41 : 27,512.26 = 10,983.84 : x
  2. Step 2: Convert to fraction form
    19,936.41/27,512.26 = 10,983.84/x
  3. Step 3: Cross multiply
    19,936.41x = 27,512.26 × 10,983.84
  4. Step 4: Simplify right side
    19,936.41x = 302,190,131.25
  5. Step 5: Solve for x
    x = 302,190,131.25/19,936.41
  6. Step 6: Final answer
    x = 15,157.70

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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.