Home / 22,272.15-30,734.85-12,200.34

Finding the Fourth Proportional to 22,272.15, 30,734.85 and 12,200.34

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Solution

The fourth proportional to 22,272.15, 30,734.85 and 12,200.34 is: 16,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.15 : 30,734.85 = 12,200.34 : x
  2. Step 2: Convert to fraction form
    22,272.15/30,734.85 = 12,200.34/x
  3. Step 3: Cross multiply
    22,272.15x = 30,734.85 × 12,200.34
  4. Step 4: Simplify right side
    22,272.15x = 374,975,619.85
  5. Step 5: Solve for x
    x = 374,975,619.85/22,272.15
  6. Step 6: Final answer
    x = 16,836.08

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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.