Home / 13,186.44-18,197.52-8,996.04

Finding the Fourth Proportional to 13,186.44, 18,197.52 and 8,996.04

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Solution

The fourth proportional to 13,186.44, 18,197.52 and 8,996.04 is: 12,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.44 : 18,197.52 = 8,996.04 : x
  2. Step 2: Convert to fraction form
    13,186.44/18,197.52 = 8,996.04/x
  3. Step 3: Cross multiply
    13,186.44x = 18,197.52 × 8,996.04
  4. Step 4: Simplify right side
    13,186.44x = 163,705,617.82
  5. Step 5: Solve for x
    x = 163,705,617.82/13,186.44
  6. Step 6: Final answer
    x = 12,414.69

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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.