Home / 29,318.88-43,996.14-12,675.72

Finding the Fourth Proportional to 29,318.88, 43,996.14 and 12,675.72

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Solution

The fourth proportional to 29,318.88, 43,996.14 and 12,675.72 is: 19,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.88 : 43,996.14 = 12,675.72 : x
  2. Step 2: Convert to fraction form
    29,318.88/43,996.14 = 12,675.72/x
  3. Step 3: Cross multiply
    29,318.88x = 43,996.14 × 12,675.72
  4. Step 4: Simplify right side
    29,318.88x = 557,682,751.72
  5. Step 5: Solve for x
    x = 557,682,751.72/29,318.88
  6. Step 6: Final answer
    x = 19,021.28

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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.