Home / 18,372.06-25,308.45-13,321.44

Finding the Fourth Proportional to 18,372.06, 25,308.45 and 13,321.44

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Solution

The fourth proportional to 18,372.06, 25,308.45 and 13,321.44 is: 18,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.06 : 25,308.45 = 13,321.44 : x
  2. Step 2: Convert to fraction form
    18,372.06/25,308.45 = 13,321.44/x
  3. Step 3: Cross multiply
    18,372.06x = 25,308.45 × 13,321.44
  4. Step 4: Simplify right side
    18,372.06x = 337,144,998.17
  5. Step 5: Solve for x
    x = 337,144,998.17/18,372.06
  6. Step 6: Final answer
    x = 18,350.96

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1.5x scale

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.