Home / 19,704.48-27,192.72-11,747.36

Finding the Fourth Proportional to 19,704.48, 27,192.72 and 11,747.36

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Solution

The fourth proportional to 19,704.48, 27,192.72 and 11,747.36 is: 16,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.48 : 27,192.72 = 11,747.36 : x
  2. Step 2: Convert to fraction form
    19,704.48/27,192.72 = 11,747.36/x
  3. Step 3: Cross multiply
    19,704.48x = 27,192.72 × 11,747.36
  4. Step 4: Simplify right side
    19,704.48x = 319,442,671.22
  5. Step 5: Solve for x
    x = 319,442,671.22/19,704.48
  6. Step 6: Final answer
    x = 16,211.68

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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.