Home / 23,274.80-34,912.20-13,943.60

Finding the Fourth Proportional to 23,274.80, 34,912.20 and 13,943.60

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Solution

The fourth proportional to 23,274.80, 34,912.20 and 13,943.60 is: 20,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,274.80 : 34,912.20 = 13,943.60 : x
  2. Step 2: Convert to fraction form
    23,274.80/34,912.20 = 13,943.60/x
  3. Step 3: Cross multiply
    23,274.80x = 34,912.20 × 13,943.60
  4. Step 4: Simplify right side
    23,274.80x = 486,801,751.92
  5. Step 5: Solve for x
    x = 486,801,751.92/23,274.80
  6. Step 6: Final answer
    x = 20,915.40

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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.