Home / 19,610.91-27,056.43-11,112.12

Finding the Fourth Proportional to 19,610.91, 27,056.43 and 11,112.12

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Solution

The fourth proportional to 19,610.91, 27,056.43 and 11,112.12 is: 15,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.91 : 27,056.43 = 11,112.12 : x
  2. Step 2: Convert to fraction form
    19,610.91/27,056.43 = 11,112.12/x
  3. Step 3: Cross multiply
    19,610.91x = 27,056.43 × 11,112.12
  4. Step 4: Simplify right side
    19,610.91x = 300,654,296.93
  5. Step 5: Solve for x
    x = 300,654,296.93/19,610.91
  6. Step 6: Final answer
    x = 15,330.97

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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.