Home / 13,622.28-20,404.68-6,232.94

Finding the Fourth Proportional to 13,622.28, 20,404.68 and 6,232.94

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Solution

The fourth proportional to 13,622.28, 20,404.68 and 6,232.94 is: 9,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.28 : 20,404.68 = 6,232.94 : x
  2. Step 2: Convert to fraction form
    13,622.28/20,404.68 = 6,232.94/x
  3. Step 3: Cross multiply
    13,622.28x = 20,404.68 × 6,232.94
  4. Step 4: Simplify right side
    13,622.28x = 127,181,146.16
  5. Step 5: Solve for x
    x = 127,181,146.16/13,622.28
  6. Step 6: Final answer
    x = 9,336.26

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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.