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Finding the Fourth Proportional to 18,185.65, 25,095.97 and 10,229.22

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Solution

The fourth proportional to 18,185.65, 25,095.97 and 10,229.22 is: 14,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.65 : 25,095.97 = 10,229.22 : x
  2. Step 2: Convert to fraction form
    18,185.65/25,095.97 = 10,229.22/x
  3. Step 3: Cross multiply
    18,185.65x = 25,095.97 × 10,229.22
  4. Step 4: Simplify right side
    18,185.65x = 256,712,198.24
  5. Step 5: Solve for x
    x = 256,712,198.24/18,185.65
  6. Step 6: Final answer
    x = 14,116.20

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Half scale
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Double scale
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Similar ratio
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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.