Home / 18,530.12-27,795.18-6,226.76

Finding the Fourth Proportional to 18,530.12, 27,795.18 and 6,226.76

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Solution

The fourth proportional to 18,530.12, 27,795.18 and 6,226.76 is: 9,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.12 : 27,795.18 = 6,226.76 : x
  2. Step 2: Convert to fraction form
    18,530.12/27,795.18 = 6,226.76/x
  3. Step 3: Cross multiply
    18,530.12x = 27,795.18 × 6,226.76
  4. Step 4: Simplify right side
    18,530.12x = 173,073,915.02
  5. Step 5: Solve for x
    x = 173,073,915.02/18,530.12
  6. Step 6: Final answer
    x = 9,340.14

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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.