Home / 18,563.07-27,783.45-15,996.99

Finding the Fourth Proportional to 18,563.07, 27,783.45 and 15,996.99

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Solution

The fourth proportional to 18,563.07, 27,783.45 and 15,996.99 is: 23,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.07 : 27,783.45 = 15,996.99 : x
  2. Step 2: Convert to fraction form
    18,563.07/27,783.45 = 15,996.99/x
  3. Step 3: Cross multiply
    18,563.07x = 27,783.45 × 15,996.99
  4. Step 4: Simplify right side
    18,563.07x = 444,451,571.82
  5. Step 5: Solve for x
    x = 444,451,571.82/18,563.07
  6. Step 6: Final answer
    x = 23,942.78

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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.