Home / 13,626.32-20,453.78-12,076.24

Finding the Fourth Proportional to 13,626.32, 20,453.78 and 12,076.24

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Solution

The fourth proportional to 13,626.32, 20,453.78 and 12,076.24 is: 18,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.32 : 20,453.78 = 12,076.24 : x
  2. Step 2: Convert to fraction form
    13,626.32/20,453.78 = 12,076.24/x
  3. Step 3: Cross multiply
    13,626.32x = 20,453.78 × 12,076.24
  4. Step 4: Simplify right side
    13,626.32x = 247,004,756.19
  5. Step 5: Solve for x
    x = 247,004,756.19/13,626.32
  6. Step 6: Final answer
    x = 18,127.03

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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.