Home / 22,320.84-33,489.71-11,790.44

Finding the Fourth Proportional to 22,320.84, 33,489.71 and 11,790.44

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Solution

The fourth proportional to 22,320.84, 33,489.71 and 11,790.44 is: 17,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.84 : 33,489.71 = 11,790.44 : x
  2. Step 2: Convert to fraction form
    22,320.84/33,489.71 = 11,790.44/x
  3. Step 3: Cross multiply
    22,320.84x = 33,489.71 × 11,790.44
  4. Step 4: Simplify right side
    22,320.84x = 394,858,359.77
  5. Step 5: Solve for x
    x = 394,858,359.77/22,320.84
  6. Step 6: Final answer
    x = 17,690.12

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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.