Home / 22,354.40-33,531.60-11,256.80

Finding the Fourth Proportional to 22,354.40, 33,531.60 and 11,256.80

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Solution

The fourth proportional to 22,354.40, 33,531.60 and 11,256.80 is: 16,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.40 : 33,531.60 = 11,256.80 : x
  2. Step 2: Convert to fraction form
    22,354.40/33,531.60 = 11,256.80/x
  3. Step 3: Cross multiply
    22,354.40x = 33,531.60 × 11,256.80
  4. Step 4: Simplify right side
    22,354.40x = 377,458,514.88
  5. Step 5: Solve for x
    x = 377,458,514.88/22,354.40
  6. Step 6: Final answer
    x = 16,885.20

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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.