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Finding the Fourth Proportional to 18,015, 24,860.61 and 10,056.75

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Solution

The fourth proportional to 18,015, 24,860.61 and 10,056.75 is: 13,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015 : 24,860.61 = 10,056.75 : x
  2. Step 2: Convert to fraction form
    18,015/24,860.61 = 10,056.75/x
  3. Step 3: Cross multiply
    18,015x = 24,860.61 × 10,056.75
  4. Step 4: Simplify right side
    18,015x = 250,016,939.62
  5. Step 5: Solve for x
    x = 250,016,939.62/18,015
  6. Step 6: Final answer
    x = 13,878.26

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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.