Home / 20,101.82-27,867.57-19,035.36

Finding the Fourth Proportional to 20,101.82, 27,867.57 and 19,035.36

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Solution

The fourth proportional to 20,101.82, 27,867.57 and 19,035.36 is: 26,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.82 : 27,867.57 = 19,035.36 : x
  2. Step 2: Convert to fraction form
    20,101.82/27,867.57 = 19,035.36/x
  3. Step 3: Cross multiply
    20,101.82x = 27,867.57 × 19,035.36
  4. Step 4: Simplify right side
    20,101.82x = 530,469,227.28
  5. Step 5: Solve for x
    x = 530,469,227.28/20,101.82
  6. Step 6: Final answer
    x = 26,389.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.