Home / 16,211.10-22,370.94-9,137.64

Finding the Fourth Proportional to 16,211.10, 22,370.94 and 9,137.64

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Solution

The fourth proportional to 16,211.10, 22,370.94 and 9,137.64 is: 12,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.10 : 22,370.94 = 9,137.64 : x
  2. Step 2: Convert to fraction form
    16,211.10/22,370.94 = 9,137.64/x
  3. Step 3: Cross multiply
    16,211.10x = 22,370.94 × 9,137.64
  4. Step 4: Simplify right side
    16,211.10x = 204,417,596.18
  5. Step 5: Solve for x
    x = 204,417,596.18/16,211.10
  6. Step 6: Final answer
    x = 12,609.73

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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.