Home / 18,450.58-27,672.88-5,299.96

Finding the Fourth Proportional to 18,450.58, 27,672.88 and 5,299.96

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Solution

The fourth proportional to 18,450.58, 27,672.88 and 5,299.96 is: 7,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.58 : 27,672.88 = 5,299.96 : x
  2. Step 2: Convert to fraction form
    18,450.58/27,672.88 = 5,299.96/x
  3. Step 3: Cross multiply
    18,450.58x = 27,672.88 × 5,299.96
  4. Step 4: Simplify right side
    18,450.58x = 146,665,157.08
  5. Step 5: Solve for x
    x = 146,665,157.08/18,450.58
  6. Step 6: Final answer
    x = 7,949.08

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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.