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Finding the Fourth Proportional to 18,056.67, 24,913.20 and 10,399.64

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Solution

The fourth proportional to 18,056.67, 24,913.20 and 10,399.64 is: 14,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.67 : 24,913.20 = 10,399.64 : x
  2. Step 2: Convert to fraction form
    18,056.67/24,913.20 = 10,399.64/x
  3. Step 3: Cross multiply
    18,056.67x = 24,913.20 × 10,399.64
  4. Step 4: Simplify right side
    18,056.67x = 259,088,225.68
  5. Step 5: Solve for x
    x = 259,088,225.68/18,056.67
  6. Step 6: Final answer
    x = 14,348.62

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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.