Home / 13,241.22-18,272.82-7,273

Finding the Fourth Proportional to 13,241.22, 18,272.82 and 7,273

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Solution

The fourth proportional to 13,241.22, 18,272.82 and 7,273 is: 10,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.22 : 18,272.82 = 7,273 : x
  2. Step 2: Convert to fraction form
    13,241.22/18,272.82 = 7,273/x
  3. Step 3: Cross multiply
    13,241.22x = 18,272.82 × 7,273
  4. Step 4: Simplify right side
    13,241.22x = 132,898,219.86
  5. Step 5: Solve for x
    x = 132,898,219.86/13,241.22
  6. Step 6: Final answer
    x = 10,036.71

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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.