Home / 21,616.26-32,432.85-8,466.36

Finding the Fourth Proportional to 21,616.26, 32,432.85 and 8,466.36

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Solution

The fourth proportional to 21,616.26, 32,432.85 and 8,466.36 is: 12,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.26 : 32,432.85 = 8,466.36 : x
  2. Step 2: Convert to fraction form
    21,616.26/32,432.85 = 8,466.36/x
  3. Step 3: Cross multiply
    21,616.26x = 32,432.85 × 8,466.36
  4. Step 4: Simplify right side
    21,616.26x = 274,588,183.93
  5. Step 5: Solve for x
    x = 274,588,183.93/21,616.26
  6. Step 6: Final answer
    x = 12,702.85

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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.