Home / 18,074.20-27,074.85-15,141.94

Finding the Fourth Proportional to 18,074.20, 27,074.85 and 15,141.94

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Solution

The fourth proportional to 18,074.20, 27,074.85 and 15,141.94 is: 22,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.20 : 27,074.85 = 15,141.94 : x
  2. Step 2: Convert to fraction form
    18,074.20/27,074.85 = 15,141.94/x
  3. Step 3: Cross multiply
    18,074.20x = 27,074.85 × 15,141.94
  4. Step 4: Simplify right side
    18,074.20x = 409,965,754.21
  5. Step 5: Solve for x
    x = 409,965,754.21/18,074.20
  6. Step 6: Final answer
    x = 22,682.37

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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.