Home / 13,372.22-18,453.20-7,404.14

Finding the Fourth Proportional to 13,372.22, 18,453.20 and 7,404.14

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Solution

The fourth proportional to 13,372.22, 18,453.20 and 7,404.14 is: 10,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.22 : 18,453.20 = 7,404.14 : x
  2. Step 2: Convert to fraction form
    13,372.22/18,453.20 = 7,404.14/x
  3. Step 3: Cross multiply
    13,372.22x = 18,453.20 × 7,404.14
  4. Step 4: Simplify right side
    13,372.22x = 136,629,946.96
  5. Step 5: Solve for x
    x = 136,629,946.96/13,372.22
  6. Step 6: Final answer
    x = 10,217.45

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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.