Home / 18,168.77-27,240.57-9,266.82

Finding the Fourth Proportional to 18,168.77, 27,240.57 and 9,266.82

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Solution

The fourth proportional to 18,168.77, 27,240.57 and 9,266.82 is: 13,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.77 : 27,240.57 = 9,266.82 : x
  2. Step 2: Convert to fraction form
    18,168.77/27,240.57 = 9,266.82/x
  3. Step 3: Cross multiply
    18,168.77x = 27,240.57 × 9,266.82
  4. Step 4: Simplify right side
    18,168.77x = 252,433,458.89
  5. Step 5: Solve for x
    x = 252,433,458.89/18,168.77
  6. Step 6: Final answer
    x = 13,893.81

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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.