Home / 23,331.79-32,198.21-12,721.96

Finding the Fourth Proportional to 23,331.79, 32,198.21 and 12,721.96

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Solution

The fourth proportional to 23,331.79, 32,198.21 and 12,721.96 is: 17,556.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.79 : 32,198.21 = 12,721.96 : x
  2. Step 2: Convert to fraction form
    23,331.79/32,198.21 = 12,721.96/x
  3. Step 3: Cross multiply
    23,331.79x = 32,198.21 × 12,721.96
  4. Step 4: Simplify right side
    23,331.79x = 409,624,339.69
  5. Step 5: Solve for x
    x = 409,624,339.69/23,331.79
  6. Step 6: Final answer
    x = 17,556.49

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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.