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Finding the Fourth Proportional to 22,366.84, 30,865.88 and 12,295.07

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Solution

The fourth proportional to 22,366.84, 30,865.88 and 12,295.07 is: 16,966.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.84 : 30,865.88 = 12,295.07 : x
  2. Step 2: Convert to fraction form
    22,366.84/30,865.88 = 12,295.07/x
  3. Step 3: Cross multiply
    22,366.84x = 30,865.88 × 12,295.07
  4. Step 4: Simplify right side
    22,366.84x = 379,498,016.57
  5. Step 5: Solve for x
    x = 379,498,016.57/22,366.84
  6. Step 6: Final answer
    x = 16,966.99

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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.