Home / 18,489.36-27,733.32-6,177.36

Finding the Fourth Proportional to 18,489.36, 27,733.32 and 6,177.36

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Solution

The fourth proportional to 18,489.36, 27,733.32 and 6,177.36 is: 9,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489.36 : 27,733.32 = 6,177.36 : x
  2. Step 2: Convert to fraction form
    18,489.36/27,733.32 = 6,177.36/x
  3. Step 3: Cross multiply
    18,489.36x = 27,733.32 × 6,177.36
  4. Step 4: Simplify right side
    18,489.36x = 171,318,701.64
  5. Step 5: Solve for x
    x = 171,318,701.64/18,489.36
  6. Step 6: Final answer
    x = 9,265.80

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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.