Home / 16,039.20-22,133.97-8,965.56

Finding the Fourth Proportional to 16,039.20, 22,133.97 and 8,965.56

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Solution

The fourth proportional to 16,039.20, 22,133.97 and 8,965.56 is: 12,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.20 : 22,133.97 = 8,965.56 : x
  2. Step 2: Convert to fraction form
    16,039.20/22,133.97 = 8,965.56/x
  3. Step 3: Cross multiply
    16,039.20x = 22,133.97 × 8,965.56
  4. Step 4: Simplify right side
    16,039.20x = 198,443,436.07
  5. Step 5: Solve for x
    x = 198,443,436.07/16,039.20
  6. Step 6: Final answer
    x = 12,372.40

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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.