Home / 16,035.30-22,128.12-8,961.84

Finding the Fourth Proportional to 16,035.30, 22,128.12 and 8,961.84

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Solution

The fourth proportional to 16,035.30, 22,128.12 and 8,961.84 is: 12,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,035.30 : 22,128.12 = 8,961.84 : x
  2. Step 2: Convert to fraction form
    16,035.30/22,128.12 = 8,961.84/x
  3. Step 3: Cross multiply
    16,035.30x = 22,128.12 × 8,961.84
  4. Step 4: Simplify right side
    16,035.30x = 198,308,670.94
  5. Step 5: Solve for x
    x = 198,308,670.94/16,035.30
  6. Step 6: Final answer
    x = 12,367.01

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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.