Home / 19,739.35-27,241.60-11,127.66

Finding the Fourth Proportional to 19,739.35, 27,241.60 and 11,127.66

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Solution

The fourth proportional to 19,739.35, 27,241.60 and 11,127.66 is: 15,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.35 : 27,241.60 = 11,127.66 : x
  2. Step 2: Convert to fraction form
    19,739.35/27,241.60 = 11,127.66/x
  3. Step 3: Cross multiply
    19,739.35x = 27,241.60 × 11,127.66
  4. Step 4: Simplify right side
    19,739.35x = 303,135,306.78
  5. Step 5: Solve for x
    x = 303,135,306.78/19,739.35
  6. Step 6: Final answer
    x = 15,356.90

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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.