Home / 19,814.92-27,335.17-11,855.54

Finding the Fourth Proportional to 19,814.92, 27,335.17 and 11,855.54

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Solution

The fourth proportional to 19,814.92, 27,335.17 and 11,855.54 is: 16,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.92 : 27,335.17 = 11,855.54 : x
  2. Step 2: Convert to fraction form
    19,814.92/27,335.17 = 11,855.54/x
  3. Step 3: Cross multiply
    19,814.92x = 27,335.17 × 11,855.54
  4. Step 4: Simplify right side
    19,814.92x = 324,073,201.34
  5. Step 5: Solve for x
    x = 324,073,201.34/19,814.92
  6. Step 6: Final answer
    x = 16,355.01

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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.