Home / 22,334.35-30,821.78-12,263.21

Finding the Fourth Proportional to 22,334.35, 30,821.78 and 12,263.21

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Solution

The fourth proportional to 22,334.35, 30,821.78 and 12,263.21 is: 16,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.35 : 30,821.78 = 12,263.21 : x
  2. Step 2: Convert to fraction form
    22,334.35/30,821.78 = 12,263.21/x
  3. Step 3: Cross multiply
    22,334.35x = 30,821.78 × 12,263.21
  4. Step 4: Simplify right side
    22,334.35x = 377,974,068.43
  5. Step 5: Solve for x
    x = 377,974,068.43/22,334.35
  6. Step 6: Final answer
    x = 16,923.44

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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.