Home / 18,624.30-27,936.69-5,476.98

Finding the Fourth Proportional to 18,624.30, 27,936.69 and 5,476.98

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Solution

The fourth proportional to 18,624.30, 27,936.69 and 5,476.98 is: 8,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.30 : 27,936.69 = 5,476.98 : x
  2. Step 2: Convert to fraction form
    18,624.30/27,936.69 = 5,476.98/x
  3. Step 3: Cross multiply
    18,624.30x = 27,936.69 × 5,476.98
  4. Step 4: Simplify right side
    18,624.30x = 153,008,692.40
  5. Step 5: Solve for x
    x = 153,008,692.40/18,624.30
  6. Step 6: Final answer
    x = 8,215.54

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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.