Home / 22,137.96-33,211.16-7,149.08

Finding the Fourth Proportional to 22,137.96, 33,211.16 and 7,149.08

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Solution

The fourth proportional to 22,137.96, 33,211.16 and 7,149.08 is: 10,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.96 : 33,211.16 = 7,149.08 : x
  2. Step 2: Convert to fraction form
    22,137.96/33,211.16 = 7,149.08/x
  3. Step 3: Cross multiply
    22,137.96x = 33,211.16 × 7,149.08
  4. Step 4: Simplify right side
    22,137.96x = 237,429,037.93
  5. Step 5: Solve for x
    x = 237,429,037.93/22,137.96
  6. Step 6: Final answer
    x = 10,724.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.