Home / 22,181.10-33,271.66-12,940.62

Finding the Fourth Proportional to 22,181.10, 33,271.66 and 12,940.62

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Solution

The fourth proportional to 22,181.10, 33,271.66 and 12,940.62 is: 19,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.10 : 33,271.66 = 12,940.62 : x
  2. Step 2: Convert to fraction form
    22,181.10/33,271.66 = 12,940.62/x
  3. Step 3: Cross multiply
    22,181.10x = 33,271.66 × 12,940.62
  4. Step 4: Simplify right side
    22,181.10x = 430,555,908.83
  5. Step 5: Solve for x
    x = 430,555,908.83/22,181.10
  6. Step 6: Final answer
    x = 19,410.94

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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.