Home / 19,704.94-27,193.42-11,208.30

Finding the Fourth Proportional to 19,704.94, 27,193.42 and 11,208.30

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Solution

The fourth proportional to 19,704.94, 27,193.42 and 11,208.30 is: 15,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.94 : 27,193.42 = 11,208.30 : x
  2. Step 2: Convert to fraction form
    19,704.94/27,193.42 = 11,208.30/x
  3. Step 3: Cross multiply
    19,704.94x = 27,193.42 × 11,208.30
  4. Step 4: Simplify right side
    19,704.94x = 304,791,921.42
  5. Step 5: Solve for x
    x = 304,791,921.42/19,704.94
  6. Step 6: Final answer
    x = 15,467.79

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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.