Home / 22,353.12-30,847.44-12,282.36

Finding the Fourth Proportional to 22,353.12, 30,847.44 and 12,282.36

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Solution

The fourth proportional to 22,353.12, 30,847.44 and 12,282.36 is: 16,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,353.12 : 30,847.44 = 12,282.36 : x
  2. Step 2: Convert to fraction form
    22,353.12/30,847.44 = 12,282.36/x
  3. Step 3: Cross multiply
    22,353.12x = 30,847.44 × 12,282.36
  4. Step 4: Simplify right side
    22,353.12x = 378,879,363.16
  5. Step 5: Solve for x
    x = 378,879,363.16/22,353.12
  6. Step 6: Final answer
    x = 16,949.73

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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.