Home / 23,638.20-35,414.10-19,231.80

Finding the Fourth Proportional to 23,638.20, 35,414.10 and 19,231.80

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Solution

The fourth proportional to 23,638.20, 35,414.10 and 19,231.80 is: 28,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,638.20 : 35,414.10 = 19,231.80 : x
  2. Step 2: Convert to fraction form
    23,638.20/35,414.10 = 19,231.80/x
  3. Step 3: Cross multiply
    23,638.20x = 35,414.10 × 19,231.80
  4. Step 4: Simplify right side
    23,638.20x = 681,076,888.38
  5. Step 5: Solve for x
    x = 681,076,888.38/23,638.20
  6. Step 6: Final answer
    x = 28,812.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.