Home / 16,195.56-22,348.18-9,121.40

Finding the Fourth Proportional to 16,195.56, 22,348.18 and 9,121.40

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Solution

The fourth proportional to 16,195.56, 22,348.18 and 9,121.40 is: 12,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.56 : 22,348.18 = 9,121.40 : x
  2. Step 2: Convert to fraction form
    16,195.56/22,348.18 = 9,121.40/x
  3. Step 3: Cross multiply
    16,195.56x = 22,348.18 × 9,121.40
  4. Step 4: Simplify right side
    16,195.56x = 203,846,689.05
  5. Step 5: Solve for x
    x = 203,846,689.05/16,195.56
  6. Step 6: Final answer
    x = 12,586.58

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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.