Home / 22,321.75-30,803.97-12,250.31

Finding the Fourth Proportional to 22,321.75, 30,803.97 and 12,250.31

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Solution

The fourth proportional to 22,321.75, 30,803.97 and 12,250.31 is: 16,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.75 : 30,803.97 = 12,250.31 : x
  2. Step 2: Convert to fraction form
    22,321.75/30,803.97 = 12,250.31/x
  3. Step 3: Cross multiply
    22,321.75x = 30,803.97 × 12,250.31
  4. Step 4: Simplify right side
    22,321.75x = 377,358,299.10
  5. Step 5: Solve for x
    x = 377,358,299.10/22,321.75
  6. Step 6: Final answer
    x = 16,905.41

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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.