Home / 22,276.14-30,741.05-12,205.21

Finding the Fourth Proportional to 22,276.14, 30,741.05 and 12,205.21

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Solution

The fourth proportional to 22,276.14, 30,741.05 and 12,205.21 is: 16,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.14 : 30,741.05 = 12,205.21 : x
  2. Step 2: Convert to fraction form
    22,276.14/30,741.05 = 12,205.21/x
  3. Step 3: Cross multiply
    22,276.14x = 30,741.05 × 12,205.21
  4. Step 4: Simplify right side
    22,276.14x = 375,200,817.17
  5. Step 5: Solve for x
    x = 375,200,817.17/22,276.14
  6. Step 6: Final answer
    x = 16,843.17

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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.