Home / 18,367.08-27,550.80-7,276.47

Finding the Fourth Proportional to 18,367.08, 27,550.80 and 7,276.47

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Solution

The fourth proportional to 18,367.08, 27,550.80 and 7,276.47 is: 10,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.08 : 27,550.80 = 7,276.47 : x
  2. Step 2: Convert to fraction form
    18,367.08/27,550.80 = 7,276.47/x
  3. Step 3: Cross multiply
    18,367.08x = 27,550.80 × 7,276.47
  4. Step 4: Simplify right side
    18,367.08x = 200,472,569.68
  5. Step 5: Solve for x
    x = 200,472,569.68/18,367.08
  6. Step 6: Final answer
    x = 10,914.78

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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.