Home / 18,427.45-27,640.92-11,033.95

Finding the Fourth Proportional to 18,427.45, 27,640.92 and 11,033.95

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Solution

The fourth proportional to 18,427.45, 27,640.92 and 11,033.95 is: 16,550.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.45 : 27,640.92 = 11,033.95 : x
  2. Step 2: Convert to fraction form
    18,427.45/27,640.92 = 11,033.95/x
  3. Step 3: Cross multiply
    18,427.45x = 27,640.92 × 11,033.95
  4. Step 4: Simplify right side
    18,427.45x = 304,988,529.23
  5. Step 5: Solve for x
    x = 304,988,529.23/18,427.45
  6. Step 6: Final answer
    x = 16,550.77

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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.