Home / 22,355.18-30,850.66-12,282.99

Finding the Fourth Proportional to 22,355.18, 30,850.66 and 12,282.99

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Solution

The fourth proportional to 22,355.18, 30,850.66 and 12,282.99 is: 16,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.18 : 30,850.66 = 12,282.99 : x
  2. Step 2: Convert to fraction form
    22,355.18/30,850.66 = 12,282.99/x
  3. Step 3: Cross multiply
    22,355.18x = 30,850.66 × 12,282.99
  4. Step 4: Simplify right side
    22,355.18x = 378,938,348.27
  5. Step 5: Solve for x
    x = 378,938,348.27/22,355.18
  6. Step 6: Final answer
    x = 16,950.81

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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.