Home / 22,272.30-30,735.76-12,200.65

Finding the Fourth Proportional to 22,272.30, 30,735.76 and 12,200.65

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Solution

The fourth proportional to 22,272.30, 30,735.76 and 12,200.65 is: 16,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.30 : 30,735.76 = 12,200.65 : x
  2. Step 2: Convert to fraction form
    22,272.30/30,735.76 = 12,200.65/x
  3. Step 3: Cross multiply
    22,272.30x = 30,735.76 × 12,200.65
  4. Step 4: Simplify right side
    22,272.30x = 374,996,250.24
  5. Step 5: Solve for x
    x = 374,996,250.24/22,272.30
  6. Step 6: Final answer
    x = 16,836.89

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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.