Home / 22,325.92-30,810.32-12,255.36

Finding the Fourth Proportional to 22,325.92, 30,810.32 and 12,255.36

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Solution

The fourth proportional to 22,325.92, 30,810.32 and 12,255.36 is: 16,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.92 : 30,810.32 = 12,255.36 : x
  2. Step 2: Convert to fraction form
    22,325.92/30,810.32 = 12,255.36/x
  3. Step 3: Cross multiply
    22,325.92x = 30,810.32 × 12,255.36
  4. Step 4: Simplify right side
    22,325.92x = 377,591,563.32
  5. Step 5: Solve for x
    x = 377,591,563.32/22,325.92
  6. Step 6: Final answer
    x = 16,912.70

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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.