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Finding the Fourth Proportional to 18,016.94, 24,856.22 and 12,039.14

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Solution

The fourth proportional to 18,016.94, 24,856.22 and 12,039.14 is: 16,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.94 : 24,856.22 = 12,039.14 : x
  2. Step 2: Convert to fraction form
    18,016.94/24,856.22 = 12,039.14/x
  3. Step 3: Cross multiply
    18,016.94x = 24,856.22 × 12,039.14
  4. Step 4: Simplify right side
    18,016.94x = 299,247,390.11
  5. Step 5: Solve for x
    x = 299,247,390.11/18,016.94
  6. Step 6: Final answer
    x = 16,609.23

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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.