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Finding the Fourth Proportional to 18,524.69, 25,564.07 and 10,141.19

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Solution

The fourth proportional to 18,524.69, 25,564.07 and 10,141.19 is: 13,994.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.69 : 25,564.07 = 10,141.19 : x
  2. Step 2: Convert to fraction form
    18,524.69/25,564.07 = 10,141.19/x
  3. Step 3: Cross multiply
    18,524.69x = 25,564.07 × 10,141.19
  4. Step 4: Simplify right side
    18,524.69x = 259,250,091.04
  5. Step 5: Solve for x
    x = 259,250,091.04/18,524.69
  6. Step 6: Final answer
    x = 13,994.84

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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.