Home / 22,306.25-30,783.06-12,234.11

Finding the Fourth Proportional to 22,306.25, 30,783.06 and 12,234.11

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Solution

The fourth proportional to 22,306.25, 30,783.06 and 12,234.11 is: 16,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.25 : 30,783.06 = 12,234.11 : x
  2. Step 2: Convert to fraction form
    22,306.25/30,783.06 = 12,234.11/x
  3. Step 3: Cross multiply
    22,306.25x = 30,783.06 × 12,234.11
  4. Step 4: Simplify right side
    22,306.25x = 376,603,188.26
  5. Step 5: Solve for x
    x = 376,603,188.26/22,306.25
  6. Step 6: Final answer
    x = 16,883.30

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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.