Home / 22,404.20-33,631.90-13,175.40

Finding the Fourth Proportional to 22,404.20, 33,631.90 and 13,175.40

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Solution

The fourth proportional to 22,404.20, 33,631.90 and 13,175.40 is: 19,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,404.20 : 33,631.90 = 13,175.40 : x
  2. Step 2: Convert to fraction form
    22,404.20/33,631.90 = 13,175.40/x
  3. Step 3: Cross multiply
    22,404.20x = 33,631.90 × 13,175.40
  4. Step 4: Simplify right side
    22,404.20x = 443,113,735.26
  5. Step 5: Solve for x
    x = 443,113,735.26/22,404.20
  6. Step 6: Final answer
    x = 19,778.15

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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.