Home / 23,821.81-32,874.20-13,212.43

Finding the Fourth Proportional to 23,821.81, 32,874.20 and 13,212.43

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Solution

The fourth proportional to 23,821.81, 32,874.20 and 13,212.43 is: 18,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,821.81 : 32,874.20 = 13,212.43 : x
  2. Step 2: Convert to fraction form
    23,821.81/32,874.20 = 13,212.43/x
  3. Step 3: Cross multiply
    23,821.81x = 32,874.20 × 13,212.43
  4. Step 4: Simplify right side
    23,821.81x = 434,348,000.24
  5. Step 5: Solve for x
    x = 434,348,000.24/23,821.81
  6. Step 6: Final answer
    x = 18,233.21

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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.