Home / 22,306.19-30,782.70-12,234.83

Finding the Fourth Proportional to 22,306.19, 30,782.70 and 12,234.83

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Solution

The fourth proportional to 22,306.19, 30,782.70 and 12,234.83 is: 16,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.19 : 30,782.70 = 12,234.83 : x
  2. Step 2: Convert to fraction form
    22,306.19/30,782.70 = 12,234.83/x
  3. Step 3: Cross multiply
    22,306.19x = 30,782.70 × 12,234.83
  4. Step 4: Simplify right side
    22,306.19x = 376,620,947.53
  5. Step 5: Solve for x
    x = 376,620,947.53/22,306.19
  6. Step 6: Final answer
    x = 16,884.15

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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.