Home / 18,192.32-27,230.78-11,937.52

Finding the Fourth Proportional to 18,192.32, 27,230.78 and 11,937.52

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Solution

The fourth proportional to 18,192.32, 27,230.78 and 11,937.52 is: 17,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.32 : 27,230.78 = 11,937.52 : x
  2. Step 2: Convert to fraction form
    18,192.32/27,230.78 = 11,937.52/x
  3. Step 3: Cross multiply
    18,192.32x = 27,230.78 × 11,937.52
  4. Step 4: Simplify right side
    18,192.32x = 325,067,980.87
  5. Step 5: Solve for x
    x = 325,067,980.87/18,192.32
  6. Step 6: Final answer
    x = 17,868.42

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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.