Home / 23,348.37-32,220.11-12,738

Finding the Fourth Proportional to 23,348.37, 32,220.11 and 12,738

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Solution

The fourth proportional to 23,348.37, 32,220.11 and 12,738 is: 17,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,348.37 : 32,220.11 = 12,738 : x
  2. Step 2: Convert to fraction form
    23,348.37/32,220.11 = 12,738/x
  3. Step 3: Cross multiply
    23,348.37x = 32,220.11 × 12,738
  4. Step 4: Simplify right side
    23,348.37x = 410,419,761.18
  5. Step 5: Solve for x
    x = 410,419,761.18/23,348.37
  6. Step 6: Final answer
    x = 17,578.09

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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.