Home / 22,696.12-31,321.42-12,624.44

Finding the Fourth Proportional to 22,696.12, 31,321.42 and 12,624.44

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Solution

The fourth proportional to 22,696.12, 31,321.42 and 12,624.44 is: 17,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.12 : 31,321.42 = 12,624.44 : x
  2. Step 2: Convert to fraction form
    22,696.12/31,321.42 = 12,624.44/x
  3. Step 3: Cross multiply
    22,696.12x = 31,321.42 × 12,624.44
  4. Step 4: Simplify right side
    22,696.12x = 395,415,387.50
  5. Step 5: Solve for x
    x = 395,415,387.50/22,696.12
  6. Step 6: Final answer
    x = 17,422.16

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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.