Home / 13,626.60-20,436.39-4,860.24

Finding the Fourth Proportional to 13,626.60, 20,436.39 and 4,860.24

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Solution

The fourth proportional to 13,626.60, 20,436.39 and 4,860.24 is: 7,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.60 : 20,436.39 = 4,860.24 : x
  2. Step 2: Convert to fraction form
    13,626.60/20,436.39 = 4,860.24/x
  3. Step 3: Cross multiply
    13,626.60x = 20,436.39 × 4,860.24
  4. Step 4: Simplify right side
    13,626.60x = 99,325,760.13
  5. Step 5: Solve for x
    x = 99,325,760.13/13,626.60
  6. Step 6: Final answer
    x = 7,289.11

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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.