Home / 19,996.88-27,595.69-12,039.44

Finding the Fourth Proportional to 19,996.88, 27,595.69 and 12,039.44

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Solution

The fourth proportional to 19,996.88, 27,595.69 and 12,039.44 is: 16,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.88 : 27,595.69 = 12,039.44 : x
  2. Step 2: Convert to fraction form
    19,996.88/27,595.69 = 12,039.44/x
  3. Step 3: Cross multiply
    19,996.88x = 27,595.69 × 12,039.44
  4. Step 4: Simplify right side
    19,996.88x = 332,236,485.94
  5. Step 5: Solve for x
    x = 332,236,485.94/19,996.88
  6. Step 6: Final answer
    x = 16,614.42

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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.