Home / 19,654.75-27,121.53-11,695.44

Finding the Fourth Proportional to 19,654.75, 27,121.53 and 11,695.44

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Solution

The fourth proportional to 19,654.75, 27,121.53 and 11,695.44 is: 16,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.75 : 27,121.53 = 11,695.44 : x
  2. Step 2: Convert to fraction form
    19,654.75/27,121.53 = 11,695.44/x
  3. Step 3: Cross multiply
    19,654.75x = 27,121.53 × 11,695.44
  4. Step 4: Simplify right side
    19,654.75x = 317,198,219.83
  5. Step 5: Solve for x
    x = 317,198,219.83/19,654.75
  6. Step 6: Final answer
    x = 16,138.50

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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.