Home / 16,035.42-22,128.91-8,961.85

Finding the Fourth Proportional to 16,035.42, 22,128.91 and 8,961.85

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Solution

The fourth proportional to 16,035.42, 22,128.91 and 8,961.85 is: 12,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,035.42 : 22,128.91 = 8,961.85 : x
  2. Step 2: Convert to fraction form
    16,035.42/22,128.91 = 8,961.85/x
  3. Step 3: Cross multiply
    16,035.42x = 22,128.91 × 8,961.85
  4. Step 4: Simplify right side
    16,035.42x = 198,315,861.44
  5. Step 5: Solve for x
    x = 198,315,861.44/16,035.42
  6. Step 6: Final answer
    x = 12,367.36

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1.5x scale

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.