Home / 18,069.70-27,105.31-6,382.98

Finding the Fourth Proportional to 18,069.70, 27,105.31 and 6,382.98

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Solution

The fourth proportional to 18,069.70, 27,105.31 and 6,382.98 is: 9,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.70 : 27,105.31 = 6,382.98 : x
  2. Step 2: Convert to fraction form
    18,069.70/27,105.31 = 6,382.98/x
  3. Step 3: Cross multiply
    18,069.70x = 27,105.31 × 6,382.98
  4. Step 4: Simplify right side
    18,069.70x = 173,012,651.62
  5. Step 5: Solve for x
    x = 173,012,651.62/18,069.70
  6. Step 6: Final answer
    x = 9,574.74

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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.