Home / 22,265.37-30,725.04-12,191.88

Finding the Fourth Proportional to 22,265.37, 30,725.04 and 12,191.88

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Solution

The fourth proportional to 22,265.37, 30,725.04 and 12,191.88 is: 16,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.37 : 30,725.04 = 12,191.88 : x
  2. Step 2: Convert to fraction form
    22,265.37/30,725.04 = 12,191.88/x
  3. Step 3: Cross multiply
    22,265.37x = 30,725.04 × 12,191.88
  4. Step 4: Simplify right side
    22,265.37x = 374,596,000.68
  5. Step 5: Solve for x
    x = 374,596,000.68/22,265.37
  6. Step 6: Final answer
    x = 16,824.15

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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.