Home / 13,792.60-20,689.18-3,404.44

Finding the Fourth Proportional to 13,792.60, 20,689.18 and 3,404.44

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Solution

The fourth proportional to 13,792.60, 20,689.18 and 3,404.44 is: 5,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.60 : 20,689.18 = 3,404.44 : x
  2. Step 2: Convert to fraction form
    13,792.60/20,689.18 = 3,404.44/x
  3. Step 3: Cross multiply
    13,792.60x = 20,689.18 × 3,404.44
  4. Step 4: Simplify right side
    13,792.60x = 70,435,071.96
  5. Step 5: Solve for x
    x = 70,435,071.96/13,792.60
  6. Step 6: Final answer
    x = 5,106.73

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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.