Home / 22,244.58-30,694.49-13,290.18

Finding the Fourth Proportional to 22,244.58, 30,694.49 and 13,290.18

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Solution

The fourth proportional to 22,244.58, 30,694.49 and 13,290.18 is: 18,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.58 : 30,694.49 = 13,290.18 : x
  2. Step 2: Convert to fraction form
    22,244.58/30,694.49 = 13,290.18/x
  3. Step 3: Cross multiply
    22,244.58x = 30,694.49 × 13,290.18
  4. Step 4: Simplify right side
    22,244.58x = 407,935,340.62
  5. Step 5: Solve for x
    x = 407,935,340.62/22,244.58
  6. Step 6: Final answer
    x = 18,338.64

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Double scale
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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.