Home / 18,100.67-27,150.39-4,952.75

Finding the Fourth Proportional to 18,100.67, 27,150.39 and 4,952.75

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Solution

The fourth proportional to 18,100.67, 27,150.39 and 4,952.75 is: 7,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.67 : 27,150.39 = 4,952.75 : x
  2. Step 2: Convert to fraction form
    18,100.67/27,150.39 = 4,952.75/x
  3. Step 3: Cross multiply
    18,100.67x = 27,150.39 × 4,952.75
  4. Step 4: Simplify right side
    18,100.67x = 134,468,958.32
  5. Step 5: Solve for x
    x = 134,468,958.32/18,100.67
  6. Step 6: Final answer
    x = 7,428.95

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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.