Home / 19,996.27-27,600.19-11,499.32

Finding the Fourth Proportional to 19,996.27, 27,600.19 and 11,499.32

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Solution

The fourth proportional to 19,996.27, 27,600.19 and 11,499.32 is: 15,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.27 : 27,600.19 = 11,499.32 : x
  2. Step 2: Convert to fraction form
    19,996.27/27,600.19 = 11,499.32/x
  3. Step 3: Cross multiply
    19,996.27x = 27,600.19 × 11,499.32
  4. Step 4: Simplify right side
    19,996.27x = 317,383,416.87
  5. Step 5: Solve for x
    x = 317,383,416.87/19,996.27
  6. Step 6: Final answer
    x = 15,872.13

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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.