Home / 18,850.56-26,010.81-10,891.44

Finding the Fourth Proportional to 18,850.56, 26,010.81 and 10,891.44

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Solution

The fourth proportional to 18,850.56, 26,010.81 and 10,891.44 is: 15,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.56 : 26,010.81 = 10,891.44 : x
  2. Step 2: Convert to fraction form
    18,850.56/26,010.81 = 10,891.44/x
  3. Step 3: Cross multiply
    18,850.56x = 26,010.81 × 10,891.44
  4. Step 4: Simplify right side
    18,850.56x = 283,295,176.47
  5. Step 5: Solve for x
    x = 283,295,176.47/18,850.56
  6. Step 6: Final answer
    x = 15,028.48

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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.