Home / 13,626.04-20,439.10-9,453.80

Finding the Fourth Proportional to 13,626.04, 20,439.10 and 9,453.80

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Solution

The fourth proportional to 13,626.04, 20,439.10 and 9,453.80 is: 14,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.04 : 20,439.10 = 9,453.80 : x
  2. Step 2: Convert to fraction form
    13,626.04/20,439.10 = 9,453.80/x
  3. Step 3: Cross multiply
    13,626.04x = 20,439.10 × 9,453.80
  4. Step 4: Simplify right side
    13,626.04x = 193,227,163.58
  5. Step 5: Solve for x
    x = 193,227,163.58/13,626.04
  6. Step 6: Final answer
    x = 14,180.73

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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.