Home / 18,216.45-27,322.38-5,069.84

Finding the Fourth Proportional to 18,216.45, 27,322.38 and 5,069.84

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Solution

The fourth proportional to 18,216.45, 27,322.38 and 5,069.84 is: 7,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.45 : 27,322.38 = 5,069.84 : x
  2. Step 2: Convert to fraction form
    18,216.45/27,322.38 = 5,069.84/x
  3. Step 3: Cross multiply
    18,216.45x = 27,322.38 × 5,069.84
  4. Step 4: Simplify right side
    18,216.45x = 138,519,958.41
  5. Step 5: Solve for x
    x = 138,519,958.41/18,216.45
  6. Step 6: Final answer
    x = 7,604.11

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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.