Home / 18,268.17-27,398.61-5,786.07

Finding the Fourth Proportional to 18,268.17, 27,398.61 and 5,786.07

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Solution

The fourth proportional to 18,268.17, 27,398.61 and 5,786.07 is: 8,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.17 : 27,398.61 = 5,786.07 : x
  2. Step 2: Convert to fraction form
    18,268.17/27,398.61 = 5,786.07/x
  3. Step 3: Cross multiply
    18,268.17x = 27,398.61 × 5,786.07
  4. Step 4: Simplify right side
    18,268.17x = 158,530,275.36
  5. Step 5: Solve for x
    x = 158,530,275.36/18,268.17
  6. Step 6: Final answer
    x = 8,677.95

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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.