Home / 18,168.90-27,241.53-8,677.32

Finding the Fourth Proportional to 18,168.90, 27,241.53 and 8,677.32

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Solution

The fourth proportional to 18,168.90, 27,241.53 and 8,677.32 is: 13,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.90 : 27,241.53 = 8,677.32 : x
  2. Step 2: Convert to fraction form
    18,168.90/27,241.53 = 8,677.32/x
  3. Step 3: Cross multiply
    18,168.90x = 27,241.53 × 8,677.32
  4. Step 4: Simplify right side
    18,168.90x = 236,383,473.10
  5. Step 5: Solve for x
    x = 236,383,473.10/18,168.90
  6. Step 6: Final answer
    x = 13,010.33

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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.