Home / 18,624.64-27,899.88-8,733.84

Finding the Fourth Proportional to 18,624.64, 27,899.88 and 8,733.84

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Solution

The fourth proportional to 18,624.64, 27,899.88 and 8,733.84 is: 13,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.64 : 27,899.88 = 8,733.84 : x
  2. Step 2: Convert to fraction form
    18,624.64/27,899.88 = 8,733.84/x
  3. Step 3: Cross multiply
    18,624.64x = 27,899.88 × 8,733.84
  4. Step 4: Simplify right side
    18,624.64x = 243,673,087.94
  5. Step 5: Solve for x
    x = 243,673,087.94/18,624.64
  6. Step 6: Final answer
    x = 13,083.37

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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.