Home / 22,006.08-33,007.68-6,422.40

Finding the Fourth Proportional to 22,006.08, 33,007.68 and 6,422.40

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Solution

The fourth proportional to 22,006.08, 33,007.68 and 6,422.40 is: 9,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.08 : 33,007.68 = 6,422.40 : x
  2. Step 2: Convert to fraction form
    22,006.08/33,007.68 = 6,422.40/x
  3. Step 3: Cross multiply
    22,006.08x = 33,007.68 × 6,422.40
  4. Step 4: Simplify right side
    22,006.08x = 211,988,524.03
  5. Step 5: Solve for x
    x = 211,988,524.03/22,006.08
  6. Step 6: Final answer
    x = 9,633.18

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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.