Home / 13,198.32-18,202.04-8,161.74

Finding the Fourth Proportional to 13,198.32, 18,202.04 and 8,161.74

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Solution

The fourth proportional to 13,198.32, 18,202.04 and 8,161.74 is: 11,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.32 : 18,202.04 = 8,161.74 : x
  2. Step 2: Convert to fraction form
    13,198.32/18,202.04 = 8,161.74/x
  3. Step 3: Cross multiply
    13,198.32x = 18,202.04 × 8,161.74
  4. Step 4: Simplify right side
    13,198.32x = 148,560,317.95
  5. Step 5: Solve for x
    x = 148,560,317.95/13,198.32
  6. Step 6: Final answer
    x = 11,256.00

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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.