Home / 22,276.87-30,741.39-12,205.23

Finding the Fourth Proportional to 22,276.87, 30,741.39 and 12,205.23

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Solution

The fourth proportional to 22,276.87, 30,741.39 and 12,205.23 is: 16,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.87 : 30,741.39 = 12,205.23 : x
  2. Step 2: Convert to fraction form
    22,276.87/30,741.39 = 12,205.23/x
  3. Step 3: Cross multiply
    22,276.87x = 30,741.39 × 12,205.23
  4. Step 4: Simplify right side
    22,276.87x = 375,205,793.11
  5. Step 5: Solve for x
    x = 375,205,793.11/22,276.87
  6. Step 6: Final answer
    x = 16,842.84

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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.