Home / 18,203.12-27,311.26-6,358.64

Finding the Fourth Proportional to 18,203.12, 27,311.26 and 6,358.64

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Solution

The fourth proportional to 18,203.12, 27,311.26 and 6,358.64 is: 9,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.12 : 27,311.26 = 6,358.64 : x
  2. Step 2: Convert to fraction form
    18,203.12/27,311.26 = 6,358.64/x
  3. Step 3: Cross multiply
    18,203.12x = 27,311.26 × 6,358.64
  4. Step 4: Simplify right side
    18,203.12x = 173,662,542.31
  5. Step 5: Solve for x
    x = 173,662,542.31/18,203.12
  6. Step 6: Final answer
    x = 9,540.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.