Home / 22,211.64-33,330.58-8,181.52

Finding the Fourth Proportional to 22,211.64, 33,330.58 and 8,181.52

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Solution

The fourth proportional to 22,211.64, 33,330.58 and 8,181.52 is: 12,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.64 : 33,330.58 = 8,181.52 : x
  2. Step 2: Convert to fraction form
    22,211.64/33,330.58 = 8,181.52/x
  3. Step 3: Cross multiply
    22,211.64x = 33,330.58 × 8,181.52
  4. Step 4: Simplify right side
    22,211.64x = 272,694,806.88
  5. Step 5: Solve for x
    x = 272,694,806.88/22,211.64
  6. Step 6: Final answer
    x = 12,277.11

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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.