Home / 16,035.08-22,129.62-8,961.80

Finding the Fourth Proportional to 16,035.08, 22,129.62 and 8,961.80

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Solution

The fourth proportional to 16,035.08, 22,129.62 and 8,961.80 is: 12,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,035.08 : 22,129.62 = 8,961.80 : x
  2. Step 2: Convert to fraction form
    16,035.08/22,129.62 = 8,961.80/x
  3. Step 3: Cross multiply
    16,035.08x = 22,129.62 × 8,961.80
  4. Step 4: Simplify right side
    16,035.08x = 198,321,228.52
  5. Step 5: Solve for x
    x = 198,321,228.52/16,035.08
  6. Step 6: Final answer
    x = 12,367.96

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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.