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Finding the Fourth Proportional to 19,606.65, 27,051.19 and 11,107.41

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Solution

The fourth proportional to 19,606.65, 27,051.19 and 11,107.41 is: 15,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.65 : 27,051.19 = 11,107.41 : x
  2. Step 2: Convert to fraction form
    19,606.65/27,051.19 = 11,107.41/x
  3. Step 3: Cross multiply
    19,606.65x = 27,051.19 × 11,107.41
  4. Step 4: Simplify right side
    19,606.65x = 300,468,658.32
  5. Step 5: Solve for x
    x = 300,468,658.32/19,606.65
  6. Step 6: Final answer
    x = 15,324.83

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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.