Home / 22,694.38-31,316.40-12,622.84

Finding the Fourth Proportional to 22,694.38, 31,316.40 and 12,622.84

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Solution

The fourth proportional to 22,694.38, 31,316.40 and 12,622.84 is: 17,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.38 : 31,316.40 = 12,622.84 : x
  2. Step 2: Convert to fraction form
    22,694.38/31,316.40 = 12,622.84/x
  3. Step 3: Cross multiply
    22,694.38x = 31,316.40 × 12,622.84
  4. Step 4: Simplify right side
    22,694.38x = 395,301,906.58
  5. Step 5: Solve for x
    x = 395,301,906.58/22,694.38
  6. Step 6: Final answer
    x = 17,418.49

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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.