Home / 16,028.73-22,120.11-8,955.63

Finding the Fourth Proportional to 16,028.73, 22,120.11 and 8,955.63

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Solution

The fourth proportional to 16,028.73, 22,120.11 and 8,955.63 is: 12,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,028.73 : 22,120.11 = 8,955.63 : x
  2. Step 2: Convert to fraction form
    16,028.73/22,120.11 = 8,955.63/x
  3. Step 3: Cross multiply
    16,028.73x = 22,120.11 × 8,955.63
  4. Step 4: Simplify right side
    16,028.73x = 198,099,520.72
  5. Step 5: Solve for x
    x = 198,099,520.72/16,028.73
  6. Step 6: Final answer
    x = 12,359.03

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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.