Home / 44,493.72-66,742.80-13,326

Finding the Fourth Proportional to 44,493.72, 66,742.80 and 13,326

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Solution

The fourth proportional to 44,493.72, 66,742.80 and 13,326 is: 19,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,493.72 : 66,742.80 = 13,326 : x
  2. Step 2: Convert to fraction form
    44,493.72/66,742.80 = 13,326/x
  3. Step 3: Cross multiply
    44,493.72x = 66,742.80 × 13,326
  4. Step 4: Simplify right side
    44,493.72x = 889,414,552.80
  5. Step 5: Solve for x
    x = 889,414,552.80/44,493.72
  6. Step 6: Final answer
    x = 19,989.66

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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.