Home / 22,181.11-33,271.66-12,940.63

Finding the Fourth Proportional to 22,181.11, 33,271.66 and 12,940.63

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Solution

The fourth proportional to 22,181.11, 33,271.66 and 12,940.63 is: 19,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.11 : 33,271.66 = 12,940.63 : x
  2. Step 2: Convert to fraction form
    22,181.11/33,271.66 = 12,940.63/x
  3. Step 3: Cross multiply
    22,181.11x = 33,271.66 × 12,940.63
  4. Step 4: Simplify right side
    22,181.11x = 430,556,241.55
  5. Step 5: Solve for x
    x = 430,556,241.55/22,181.11
  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.