Home / 19,388.58-26,753.94-10,891.14

Finding the Fourth Proportional to 19,388.58, 26,753.94 and 10,891.14

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Solution

The fourth proportional to 19,388.58, 26,753.94 and 10,891.14 is: 15,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.58 : 26,753.94 = 10,891.14 : x
  2. Step 2: Convert to fraction form
    19,388.58/26,753.94 = 10,891.14/x
  3. Step 3: Cross multiply
    19,388.58x = 26,753.94 × 10,891.14
  4. Step 4: Simplify right side
    19,388.58x = 291,380,906.09
  5. Step 5: Solve for x
    x = 291,380,906.09/19,388.58
  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.