Home / 20,036.44-27,655.86-11,654.56

Finding the Fourth Proportional to 20,036.44, 27,655.86 and 11,654.56

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Solution

The fourth proportional to 20,036.44, 27,655.86 and 11,654.56 is: 16,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.44 : 27,655.86 = 11,654.56 : x
  2. Step 2: Convert to fraction form
    20,036.44/27,655.86 = 11,654.56/x
  3. Step 3: Cross multiply
    20,036.44x = 27,655.86 × 11,654.56
  4. Step 4: Simplify right side
    20,036.44x = 322,316,879.72
  5. Step 5: Solve for x
    x = 322,316,879.72/20,036.44
  6. Step 6: Final answer
    x = 16,086.53

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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.