Home / 22,705.20-31,333.20-12,634.56

Finding the Fourth Proportional to 22,705.20, 31,333.20 and 12,634.56

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Solution

The fourth proportional to 22,705.20, 31,333.20 and 12,634.56 is: 17,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,705.20 : 31,333.20 = 12,634.56 : x
  2. Step 2: Convert to fraction form
    22,705.20/31,333.20 = 12,634.56/x
  3. Step 3: Cross multiply
    22,705.20x = 31,333.20 × 12,634.56
  4. Step 4: Simplify right side
    22,705.20x = 395,881,195.39
  5. Step 5: Solve for x
    x = 395,881,195.39/22,705.20
  6. Step 6: Final answer
    x = 17,435.71

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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.