Home / 18,632.37-27,937.97-12,716.43

Finding the Fourth Proportional to 18,632.37, 27,937.97 and 12,716.43

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Solution

The fourth proportional to 18,632.37, 27,937.97 and 12,716.43 is: 19,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.37 : 27,937.97 = 12,716.43 : x
  2. Step 2: Convert to fraction form
    18,632.37/27,937.97 = 12,716.43/x
  3. Step 3: Cross multiply
    18,632.37x = 27,937.97 × 12,716.43
  4. Step 4: Simplify right side
    18,632.37x = 355,271,119.18
  5. Step 5: Solve for x
    x = 355,271,119.18/18,632.37
  6. Step 6: Final answer
    x = 19,067.41

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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.