Home / 22,422.12-30,942.74-12,350.91

Finding the Fourth Proportional to 22,422.12, 30,942.74 and 12,350.91

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Solution

The fourth proportional to 22,422.12, 30,942.74 and 12,350.91 is: 17,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.12 : 30,942.74 = 12,350.91 : x
  2. Step 2: Convert to fraction form
    22,422.12/30,942.74 = 12,350.91/x
  3. Step 3: Cross multiply
    22,422.12x = 30,942.74 × 12,350.91
  4. Step 4: Simplify right side
    22,422.12x = 382,170,935.14
  5. Step 5: Solve for x
    x = 382,170,935.14/22,422.12
  6. Step 6: Final answer
    x = 17,044.37

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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.