Home / 20,039.66-27,652.99-11,087.02

Finding the Fourth Proportional to 20,039.66, 27,652.99 and 11,087.02

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Solution

The fourth proportional to 20,039.66, 27,652.99 and 11,087.02 is: 15,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.66 : 27,652.99 = 11,087.02 : x
  2. Step 2: Convert to fraction form
    20,039.66/27,652.99 = 11,087.02/x
  3. Step 3: Cross multiply
    20,039.66x = 27,652.99 × 11,087.02
  4. Step 4: Simplify right side
    20,039.66x = 306,589,253.19
  5. Step 5: Solve for x
    x = 306,589,253.19/20,039.66
  6. Step 6: Final answer
    x = 15,299.12

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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.