Home / 29,146.78-43,720.97-11,376.73

Finding the Fourth Proportional to 29,146.78, 43,720.97 and 11,376.73

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Solution

The fourth proportional to 29,146.78, 43,720.97 and 11,376.73 is: 17,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.78 : 43,720.97 = 11,376.73 : x
  2. Step 2: Convert to fraction form
    29,146.78/43,720.97 = 11,376.73/x
  3. Step 3: Cross multiply
    29,146.78x = 43,720.97 × 11,376.73
  4. Step 4: Simplify right side
    29,146.78x = 497,401,671.03
  5. Step 5: Solve for x
    x = 497,401,671.03/29,146.78
  6. Step 6: Final answer
    x = 17,065.41

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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.