Home / 18,135.14-27,177.39-9,797.18

Finding the Fourth Proportional to 18,135.14, 27,177.39 and 9,797.18

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Solution

The fourth proportional to 18,135.14, 27,177.39 and 9,797.18 is: 14,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.14 : 27,177.39 = 9,797.18 : x
  2. Step 2: Convert to fraction form
    18,135.14/27,177.39 = 9,797.18/x
  3. Step 3: Cross multiply
    18,135.14x = 27,177.39 × 9,797.18
  4. Step 4: Simplify right side
    18,135.14x = 266,261,645.87
  5. Step 5: Solve for x
    x = 266,261,645.87/18,135.14
  6. Step 6: Final answer
    x = 14,682.09

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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.