Home / 18,474.12-27,692.70-6,624.64

Finding the Fourth Proportional to 18,474.12, 27,692.70 and 6,624.64

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Solution

The fourth proportional to 18,474.12, 27,692.70 and 6,624.64 is: 9,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.12 : 27,692.70 = 6,624.64 : x
  2. Step 2: Convert to fraction form
    18,474.12/27,692.70 = 6,624.64/x
  3. Step 3: Cross multiply
    18,474.12x = 27,692.70 × 6,624.64
  4. Step 4: Simplify right side
    18,474.12x = 183,454,168.13
  5. Step 5: Solve for x
    x = 183,454,168.13/18,474.12
  6. Step 6: Final answer
    x = 9,930.33

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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.