Home / 18,097.21-27,105.71-13,906.37

Finding the Fourth Proportional to 18,097.21, 27,105.71 and 13,906.37

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Solution

The fourth proportional to 18,097.21, 27,105.71 and 13,906.37 is: 20,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.21 : 27,105.71 = 13,906.37 : x
  2. Step 2: Convert to fraction form
    18,097.21/27,105.71 = 13,906.37/x
  3. Step 3: Cross multiply
    18,097.21x = 27,105.71 × 13,906.37
  4. Step 4: Simplify right side
    18,097.21x = 376,942,032.37
  5. Step 5: Solve for x
    x = 376,942,032.37/18,097.21
  6. Step 6: Final answer
    x = 20,828.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.