Home / 18,317.73-27,433.86-13,375.11

Finding the Fourth Proportional to 18,317.73, 27,433.86 and 13,375.11

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Solution

The fourth proportional to 18,317.73, 27,433.86 and 13,375.11 is: 20,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.73 : 27,433.86 = 13,375.11 : x
  2. Step 2: Convert to fraction form
    18,317.73/27,433.86 = 13,375.11/x
  3. Step 3: Cross multiply
    18,317.73x = 27,433.86 × 13,375.11
  4. Step 4: Simplify right side
    18,317.73x = 366,930,792.35
  5. Step 5: Solve for x
    x = 366,930,792.35/18,317.73
  6. Step 6: Final answer
    x = 20,031.46

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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.