Home / 16,185.28-22,327.20-9,893.44

Finding the Fourth Proportional to 16,185.28, 22,327.20 and 9,893.44

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Solution

The fourth proportional to 16,185.28, 22,327.20 and 9,893.44 is: 13,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,185.28 : 22,327.20 = 9,893.44 : x
  2. Step 2: Convert to fraction form
    16,185.28/22,327.20 = 9,893.44/x
  3. Step 3: Cross multiply
    16,185.28x = 22,327.20 × 9,893.44
  4. Step 4: Simplify right side
    16,185.28x = 220,892,813.57
  5. Step 5: Solve for x
    x = 220,892,813.57/16,185.28
  6. Step 6: Final answer
    x = 13,647.76

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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.