Home / 16,209.56-22,369.20-8,757.56

Finding the Fourth Proportional to 16,209.56, 22,369.20 and 8,757.56

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Solution

The fourth proportional to 16,209.56, 22,369.20 and 8,757.56 is: 12,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,209.56 : 22,369.20 = 8,757.56 : x
  2. Step 2: Convert to fraction form
    16,209.56/22,369.20 = 8,757.56/x
  3. Step 3: Cross multiply
    16,209.56x = 22,369.20 × 8,757.56
  4. Step 4: Simplify right side
    16,209.56x = 195,899,634.23
  5. Step 5: Solve for x
    x = 195,899,634.23/16,209.56
  6. Step 6: Final answer
    x = 12,085.44

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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.