Home / 14,229.72-21,352.30-5,915.48

Finding the Fourth Proportional to 14,229.72, 21,352.30 and 5,915.48

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Solution

The fourth proportional to 14,229.72, 21,352.30 and 5,915.48 is: 8,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.72 : 21,352.30 = 5,915.48 : x
  2. Step 2: Convert to fraction form
    14,229.72/21,352.30 = 5,915.48/x
  3. Step 3: Cross multiply
    14,229.72x = 21,352.30 × 5,915.48
  4. Step 4: Simplify right side
    14,229.72x = 126,309,103.60
  5. Step 5: Solve for x
    x = 126,309,103.60/14,229.72
  6. Step 6: Final answer
    x = 8,876.43

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1.5x scale

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.