Home / 19,958.48-27,542.89-11,006.30

Finding the Fourth Proportional to 19,958.48, 27,542.89 and 11,006.30

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Solution

The fourth proportional to 19,958.48, 27,542.89 and 11,006.30 is: 15,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.48 : 27,542.89 = 11,006.30 : x
  2. Step 2: Convert to fraction form
    19,958.48/27,542.89 = 11,006.30/x
  3. Step 3: Cross multiply
    19,958.48x = 27,542.89 × 11,006.30
  4. Step 4: Simplify right side
    19,958.48x = 303,145,268.85
  5. Step 5: Solve for x
    x = 303,145,268.85/19,958.48
  6. Step 6: Final answer
    x = 15,188.79

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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.