Home / 23,190.92-32,003.29-12,981.97

Finding the Fourth Proportional to 23,190.92, 32,003.29 and 12,981.97

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Solution

The fourth proportional to 23,190.92, 32,003.29 and 12,981.97 is: 17,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.92 : 32,003.29 = 12,981.97 : x
  2. Step 2: Convert to fraction form
    23,190.92/32,003.29 = 12,981.97/x
  3. Step 3: Cross multiply
    23,190.92x = 32,003.29 × 12,981.97
  4. Step 4: Simplify right side
    23,190.92x = 415,465,750.68
  5. Step 5: Solve for x
    x = 415,465,750.68/23,190.92
  6. Step 6: Final answer
    x = 17,915.02

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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.