Home / 20,056.56-27,675.32-11,101.80

Finding the Fourth Proportional to 20,056.56, 27,675.32 and 11,101.80

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Solution

The fourth proportional to 20,056.56, 27,675.32 and 11,101.80 is: 15,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.56 : 27,675.32 = 11,101.80 : x
  2. Step 2: Convert to fraction form
    20,056.56/27,675.32 = 11,101.80/x
  3. Step 3: Cross multiply
    20,056.56x = 27,675.32 × 11,101.80
  4. Step 4: Simplify right side
    20,056.56x = 307,245,867.58
  5. Step 5: Solve for x
    x = 307,245,867.58/20,056.56
  6. Step 6: Final answer
    x = 15,318.97

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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.