Home / 29,135.89-43,704.09-9,414.45

Finding the Fourth Proportional to 29,135.89, 43,704.09 and 9,414.45

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Solution

The fourth proportional to 29,135.89, 43,704.09 and 9,414.45 is: 14,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.89 : 43,704.09 = 9,414.45 : x
  2. Step 2: Convert to fraction form
    29,135.89/43,704.09 = 9,414.45/x
  3. Step 3: Cross multiply
    29,135.89x = 43,704.09 × 9,414.45
  4. Step 4: Simplify right side
    29,135.89x = 411,449,970.10
  5. Step 5: Solve for x
    x = 411,449,970.10/29,135.89
  6. Step 6: Final answer
    x = 14,121.76

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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.