Home / 13,416.60-20,132.10-5,626.20

Finding the Fourth Proportional to 13,416.60, 20,132.10 and 5,626.20

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Solution

The fourth proportional to 13,416.60, 20,132.10 and 5,626.20 is: 8,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.60 : 20,132.10 = 5,626.20 : x
  2. Step 2: Convert to fraction form
    13,416.60/20,132.10 = 5,626.20/x
  3. Step 3: Cross multiply
    13,416.60x = 20,132.10 × 5,626.20
  4. Step 4: Simplify right side
    13,416.60x = 113,267,221.02
  5. Step 5: Solve for x
    x = 113,267,221.02/13,416.60
  6. Step 6: Final answer
    x = 8,442.32

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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.