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Finding the Fourth Proportional to 18,018.94, 24,858.97 and 12,041.14

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Solution

The fourth proportional to 18,018.94, 24,858.97 and 12,041.14 is: 16,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.94 : 24,858.97 = 12,041.14 : x
  2. Step 2: Convert to fraction form
    18,018.94/24,858.97 = 12,041.14/x
  3. Step 3: Cross multiply
    18,018.94x = 24,858.97 × 12,041.14
  4. Step 4: Simplify right side
    18,018.94x = 299,330,338.03
  5. Step 5: Solve for x
    x = 299,330,338.03/18,018.94
  6. Step 6: Final answer
    x = 16,611.98

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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.