Home / 22,021.64-33,033.46-6,439.26

Finding the Fourth Proportional to 22,021.64, 33,033.46 and 6,439.26

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Solution

The fourth proportional to 22,021.64, 33,033.46 and 6,439.26 is: 9,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.64 : 33,033.46 = 6,439.26 : x
  2. Step 2: Convert to fraction form
    22,021.64/33,033.46 = 6,439.26/x
  3. Step 3: Cross multiply
    22,021.64x = 33,033.46 × 6,439.26
  4. Step 4: Simplify right side
    22,021.64x = 212,711,037.64
  5. Step 5: Solve for x
    x = 212,711,037.64/22,021.64
  6. Step 6: Final answer
    x = 9,659.18

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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.