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Finding the Fourth Proportional to 15,995.19, 22,072.36 and 8,825.19

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Solution

The fourth proportional to 15,995.19, 22,072.36 and 8,825.19 is: 12,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.19 : 22,072.36 = 8,825.19 : x
  2. Step 2: Convert to fraction form
    15,995.19/22,072.36 = 8,825.19/x
  3. Step 3: Cross multiply
    15,995.19x = 22,072.36 × 8,825.19
  4. Step 4: Simplify right side
    15,995.19x = 194,792,726.62
  5. Step 5: Solve for x
    x = 194,792,726.62/15,995.19
  6. Step 6: Final answer
    x = 12,178.21

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Double scale
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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.