Home / 22,379.10-33,577.74-11,289

Finding the Fourth Proportional to 22,379.10, 33,577.74 and 11,289

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Solution

The fourth proportional to 22,379.10, 33,577.74 and 11,289 is: 16,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.10 : 33,577.74 = 11,289 : x
  2. Step 2: Convert to fraction form
    22,379.10/33,577.74 = 11,289/x
  3. Step 3: Cross multiply
    22,379.10x = 33,577.74 × 11,289
  4. Step 4: Simplify right side
    22,379.10x = 379,059,106.86
  5. Step 5: Solve for x
    x = 379,059,106.86/22,379.10
  6. Step 6: Final answer
    x = 16,938.09

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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.