Home / 19,964.75-27,551.52-11,012.56

Finding the Fourth Proportional to 19,964.75, 27,551.52 and 11,012.56

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Solution

The fourth proportional to 19,964.75, 27,551.52 and 11,012.56 is: 15,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.75 : 27,551.52 = 11,012.56 : x
  2. Step 2: Convert to fraction form
    19,964.75/27,551.52 = 11,012.56/x
  3. Step 3: Cross multiply
    19,964.75x = 27,551.52 × 11,012.56
  4. Step 4: Simplify right side
    19,964.75x = 303,412,698.21
  5. Step 5: Solve for x
    x = 303,412,698.21/19,964.75
  6. Step 6: Final answer
    x = 15,197.42

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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.