Home / 19,704.72-27,193.11-11,208.06

Finding the Fourth Proportional to 19,704.72, 27,193.11 and 11,208.06

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Solution

The fourth proportional to 19,704.72, 27,193.11 and 11,208.06 is: 15,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.72 : 27,193.11 = 11,208.06 : x
  2. Step 2: Convert to fraction form
    19,704.72/27,193.11 = 11,208.06/x
  3. Step 3: Cross multiply
    19,704.72x = 27,193.11 × 11,208.06
  4. Step 4: Simplify right side
    19,704.72x = 304,782,008.47
  5. Step 5: Solve for x
    x = 304,782,008.47/19,704.72
  6. Step 6: Final answer
    x = 15,467.46

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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.