Home / 22,306.10-30,782.44-12,234.60

Finding the Fourth Proportional to 22,306.10, 30,782.44 and 12,234.60

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Solution

The fourth proportional to 22,306.10, 30,782.44 and 12,234.60 is: 16,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.10 : 30,782.44 = 12,234.60 : x
  2. Step 2: Convert to fraction form
    22,306.10/30,782.44 = 12,234.60/x
  3. Step 3: Cross multiply
    22,306.10x = 30,782.44 × 12,234.60
  4. Step 4: Simplify right side
    22,306.10x = 376,610,840.42
  5. Step 5: Solve for x
    x = 376,610,840.42/22,306.10
  6. Step 6: Final answer
    x = 16,883.76

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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.