Home / 19,861.44-27,588.48-19,543.92

Finding the Fourth Proportional to 19,861.44, 27,588.48 and 19,543.92

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Solution

The fourth proportional to 19,861.44, 27,588.48 and 19,543.92 is: 27,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.44 : 27,588.48 = 19,543.92 : x
  2. Step 2: Convert to fraction form
    19,861.44/27,588.48 = 19,543.92/x
  3. Step 3: Cross multiply
    19,861.44x = 27,588.48 × 19,543.92
  4. Step 4: Simplify right side
    19,861.44x = 539,187,046.04
  5. Step 5: Solve for x
    x = 539,187,046.04/19,861.44
  6. Step 6: Final answer
    x = 27,147.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.