Home / 20,234.33-27,923.63-11,736.81

Finding the Fourth Proportional to 20,234.33, 27,923.63 and 11,736.81

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Solution

The fourth proportional to 20,234.33, 27,923.63 and 11,736.81 is: 16,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.33 : 27,923.63 = 11,736.81 : x
  2. Step 2: Convert to fraction form
    20,234.33/27,923.63 = 11,736.81/x
  3. Step 3: Cross multiply
    20,234.33x = 27,923.63 × 11,736.81
  4. Step 4: Simplify right side
    20,234.33x = 327,734,339.82
  5. Step 5: Solve for x
    x = 327,734,339.82/20,234.33
  6. Step 6: Final answer
    x = 16,196.95

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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.