Home / 18,118.08-27,177.14-14,591.56

Finding the Fourth Proportional to 18,118.08, 27,177.14 and 14,591.56

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Solution

The fourth proportional to 18,118.08, 27,177.14 and 14,591.56 is: 21,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.08 : 27,177.14 = 14,591.56 : x
  2. Step 2: Convert to fraction form
    18,118.08/27,177.14 = 14,591.56/x
  3. Step 3: Cross multiply
    18,118.08x = 27,177.14 × 14,591.56
  4. Step 4: Simplify right side
    18,118.08x = 396,556,868.94
  5. Step 5: Solve for x
    x = 396,556,868.94/18,118.08
  6. Step 6: Final answer
    x = 21,887.36

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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.