Home / 18,268.93-27,404.81-5,789.67

Finding the Fourth Proportional to 18,268.93, 27,404.81 and 5,789.67

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Solution

The fourth proportional to 18,268.93, 27,404.81 and 5,789.67 is: 8,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.93 : 27,404.81 = 5,789.67 : x
  2. Step 2: Convert to fraction form
    18,268.93/27,404.81 = 5,789.67/x
  3. Step 3: Cross multiply
    18,268.93x = 27,404.81 × 5,789.67
  4. Step 4: Simplify right side
    18,268.93x = 158,664,806.31
  5. Step 5: Solve for x
    x = 158,664,806.31/18,268.93
  6. Step 6: Final answer
    x = 8,684.95

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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.