Home / 13,824.78-19,068.51-8,522.52

Finding the Fourth Proportional to 13,824.78, 19,068.51 and 8,522.52

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Solution

The fourth proportional to 13,824.78, 19,068.51 and 8,522.52 is: 11,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.78 : 19,068.51 = 8,522.52 : x
  2. Step 2: Convert to fraction form
    13,824.78/19,068.51 = 8,522.52/x
  3. Step 3: Cross multiply
    13,824.78x = 19,068.51 × 8,522.52
  4. Step 4: Simplify right side
    13,824.78x = 162,511,757.85
  5. Step 5: Solve for x
    x = 162,511,757.85/13,824.78
  6. Step 6: Final answer
    x = 11,755.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.