Home / 19,974.05-27,563.72-11,021.56

Finding the Fourth Proportional to 19,974.05, 27,563.72 and 11,021.56

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Solution

The fourth proportional to 19,974.05, 27,563.72 and 11,021.56 is: 15,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.05 : 27,563.72 = 11,021.56 : x
  2. Step 2: Convert to fraction form
    19,974.05/27,563.72 = 11,021.56/x
  3. Step 3: Cross multiply
    19,974.05x = 27,563.72 × 11,021.56
  4. Step 4: Simplify right side
    19,974.05x = 303,795,152.45
  5. Step 5: Solve for x
    x = 303,795,152.45/19,974.05
  6. Step 6: Final answer
    x = 15,209.49

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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.