Home / 18,522.65-27,788.54-5,374.83

Finding the Fourth Proportional to 18,522.65, 27,788.54 and 5,374.83

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Solution

The fourth proportional to 18,522.65, 27,788.54 and 5,374.83 is: 8,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.65 : 27,788.54 = 5,374.83 : x
  2. Step 2: Convert to fraction form
    18,522.65/27,788.54 = 5,374.83/x
  3. Step 3: Cross multiply
    18,522.65x = 27,788.54 × 5,374.83
  4. Step 4: Simplify right side
    18,522.65x = 149,358,755.78
  5. Step 5: Solve for x
    x = 149,358,755.78/18,522.65
  6. Step 6: Final answer
    x = 8,063.57

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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.