Home / 18,891.39-26,071.22-10,936.38

Finding the Fourth Proportional to 18,891.39, 26,071.22 and 10,936.38

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Solution

The fourth proportional to 18,891.39, 26,071.22 and 10,936.38 is: 15,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.39 : 26,071.22 = 10,936.38 : x
  2. Step 2: Convert to fraction form
    18,891.39/26,071.22 = 10,936.38/x
  3. Step 3: Cross multiply
    18,891.39x = 26,071.22 × 10,936.38
  4. Step 4: Simplify right side
    18,891.39x = 285,124,768.98
  5. Step 5: Solve for x
    x = 285,124,768.98/18,891.39
  6. Step 6: Final answer
    x = 15,092.84

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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.