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Finding the Fourth Proportional to 18,085.68, 24,940.68 and 14,105.32

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Solution

The fourth proportional to 18,085.68, 24,940.68 and 14,105.32 is: 19,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.68 : 24,940.68 = 14,105.32 : x
  2. Step 2: Convert to fraction form
    18,085.68/24,940.68 = 14,105.32/x
  3. Step 3: Cross multiply
    18,085.68x = 24,940.68 × 14,105.32
  4. Step 4: Simplify right side
    18,085.68x = 351,796,272.42
  5. Step 5: Solve for x
    x = 351,796,272.42/18,085.68
  6. Step 6: Final answer
    x = 19,451.65

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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.