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Finding the Fourth Proportional to 19,833.54, 27,372.71 and 11,333.71

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Solution

The fourth proportional to 19,833.54, 27,372.71 and 11,333.71 is: 15,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.54 : 27,372.71 = 11,333.71 : x
  2. Step 2: Convert to fraction form
    19,833.54/27,372.71 = 11,333.71/x
  3. Step 3: Cross multiply
    19,833.54x = 27,372.71 × 11,333.71
  4. Step 4: Simplify right side
    19,833.54x = 310,234,357.05
  5. Step 5: Solve for x
    x = 310,234,357.05/19,833.54
  6. Step 6: Final answer
    x = 15,641.91

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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.