Home / 22,306.26-30,782.43-12,234.21

Finding the Fourth Proportional to 22,306.26, 30,782.43 and 12,234.21

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Solution

The fourth proportional to 22,306.26, 30,782.43 and 12,234.21 is: 16,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.26 : 30,782.43 = 12,234.21 : x
  2. Step 2: Convert to fraction form
    22,306.26/30,782.43 = 12,234.21/x
  3. Step 3: Cross multiply
    22,306.26x = 30,782.43 × 12,234.21
  4. Step 4: Simplify right side
    22,306.26x = 376,598,712.93
  5. Step 5: Solve for x
    x = 376,598,712.93/22,306.26
  6. Step 6: Final answer
    x = 16,883.10

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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.