Home / 33,197.94-45,811.71-18,857.72

Finding the Fourth Proportional to 33,197.94, 45,811.71 and 18,857.72

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Solution

The fourth proportional to 33,197.94, 45,811.71 and 18,857.72 is: 26,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,197.94 : 45,811.71 = 18,857.72 : x
  2. Step 2: Convert to fraction form
    33,197.94/45,811.71 = 18,857.72/x
  3. Step 3: Cross multiply
    33,197.94x = 45,811.71 × 18,857.72
  4. Step 4: Simplify right side
    33,197.94x = 863,904,399.90
  5. Step 5: Solve for x
    x = 863,904,399.90/33,197.94
  6. Step 6: Final answer
    x = 26,022.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.