Home / 23,868.50-32,938.20-13,257.90

Finding the Fourth Proportional to 23,868.50, 32,938.20 and 13,257.90

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Solution

The fourth proportional to 23,868.50, 32,938.20 and 13,257.90 is: 18,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,868.50 : 32,938.20 = 13,257.90 : x
  2. Step 2: Convert to fraction form
    23,868.50/32,938.20 = 13,257.90/x
  3. Step 3: Cross multiply
    23,868.50x = 32,938.20 × 13,257.90
  4. Step 4: Simplify right side
    23,868.50x = 436,691,361.78
  5. Step 5: Solve for x
    x = 436,691,361.78/23,868.50
  6. Step 6: Final answer
    x = 18,295.72

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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.