Home / 20,175.08-27,844.16-11,226.60

Finding the Fourth Proportional to 20,175.08, 27,844.16 and 11,226.60

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Solution

The fourth proportional to 20,175.08, 27,844.16 and 11,226.60 is: 15,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.08 : 27,844.16 = 11,226.60 : x
  2. Step 2: Convert to fraction form
    20,175.08/27,844.16 = 11,226.60/x
  3. Step 3: Cross multiply
    20,175.08x = 27,844.16 × 11,226.60
  4. Step 4: Simplify right side
    20,175.08x = 312,595,190.52
  5. Step 5: Solve for x
    x = 312,595,190.52/20,175.08
  6. Step 6: Final answer
    x = 15,494.13

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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.