Home / 19,704.27-27,192.94-11,321.31

Finding the Fourth Proportional to 19,704.27, 27,192.94 and 11,321.31

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Solution

The fourth proportional to 19,704.27, 27,192.94 and 11,321.31 is: 15,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.27 : 27,192.94 = 11,321.31 : x
  2. Step 2: Convert to fraction form
    19,704.27/27,192.94 = 11,321.31/x
  3. Step 3: Cross multiply
    19,704.27x = 27,192.94 × 11,321.31
  4. Step 4: Simplify right side
    19,704.27x = 307,859,703.55
  5. Step 5: Solve for x
    x = 307,859,703.55/19,704.27
  6. Step 6: Final answer
    x = 15,624.01

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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.