Home / 19,964.24-27,544.56-11,579.12

Finding the Fourth Proportional to 19,964.24, 27,544.56 and 11,579.12

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Solution

The fourth proportional to 19,964.24, 27,544.56 and 11,579.12 is: 15,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.24 : 27,544.56 = 11,579.12 : x
  2. Step 2: Convert to fraction form
    19,964.24/27,544.56 = 11,579.12/x
  3. Step 3: Cross multiply
    19,964.24x = 27,544.56 × 11,579.12
  4. Step 4: Simplify right side
    19,964.24x = 318,941,765.59
  5. Step 5: Solve for x
    x = 318,941,765.59/19,964.24
  6. Step 6: Final answer
    x = 15,975.65

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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.