Home / 22,380.84-30,884.49-12,952.44

Finding the Fourth Proportional to 22,380.84, 30,884.49 and 12,952.44

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Solution

The fourth proportional to 22,380.84, 30,884.49 and 12,952.44 is: 17,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.84 : 30,884.49 = 12,952.44 : x
  2. Step 2: Convert to fraction form
    22,380.84/30,884.49 = 12,952.44/x
  3. Step 3: Cross multiply
    22,380.84x = 30,884.49 × 12,952.44
  4. Step 4: Simplify right side
    22,380.84x = 400,029,503.66
  5. Step 5: Solve for x
    x = 400,029,503.66/22,380.84
  6. Step 6: Final answer
    x = 17,873.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.