Home / 19,813.92-27,333.79-11,854.54

Finding the Fourth Proportional to 19,813.92, 27,333.79 and 11,854.54

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Solution

The fourth proportional to 19,813.92, 27,333.79 and 11,854.54 is: 16,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.92 : 27,333.79 = 11,854.54 : x
  2. Step 2: Convert to fraction form
    19,813.92/27,333.79 = 11,854.54/x
  3. Step 3: Cross multiply
    19,813.92x = 27,333.79 × 11,854.54
  4. Step 4: Simplify right side
    19,813.92x = 324,029,506.91
  5. Step 5: Solve for x
    x = 324,029,506.91/19,813.92
  6. Step 6: Final answer
    x = 16,353.63

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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.