Home / 18,160.18-27,241.83-5,012.55

Finding the Fourth Proportional to 18,160.18, 27,241.83 and 5,012.55

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Solution

The fourth proportional to 18,160.18, 27,241.83 and 5,012.55 is: 7,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.18 : 27,241.83 = 5,012.55 : x
  2. Step 2: Convert to fraction form
    18,160.18/27,241.83 = 5,012.55/x
  3. Step 3: Cross multiply
    18,160.18x = 27,241.83 × 5,012.55
  4. Step 4: Simplify right side
    18,160.18x = 136,551,042.02
  5. Step 5: Solve for x
    x = 136,551,042.02/18,160.18
  6. Step 6: Final answer
    x = 7,519.26

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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.