Home / 19,725.46-27,221.07-11,768.02

Finding the Fourth Proportional to 19,725.46, 27,221.07 and 11,768.02

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Solution

The fourth proportional to 19,725.46, 27,221.07 and 11,768.02 is: 16,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.46 : 27,221.07 = 11,768.02 : x
  2. Step 2: Convert to fraction form
    19,725.46/27,221.07 = 11,768.02/x
  3. Step 3: Cross multiply
    19,725.46x = 27,221.07 × 11,768.02
  4. Step 4: Simplify right side
    19,725.46x = 320,338,096.18
  5. Step 5: Solve for x
    x = 320,338,096.18/19,725.46
  6. Step 6: Final answer
    x = 16,239.83

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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.