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Finding the Fourth Proportional to 18,274.95, 27,410.40 and 14,982.30

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Solution

The fourth proportional to 18,274.95, 27,410.40 and 14,982.30 is: 22,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.95 : 27,410.40 = 14,982.30 : x
  2. Step 2: Convert to fraction form
    18,274.95/27,410.40 = 14,982.30/x
  3. Step 3: Cross multiply
    18,274.95x = 27,410.40 × 14,982.30
  4. Step 4: Simplify right side
    18,274.95x = 410,670,835.92
  5. Step 5: Solve for x
    x = 410,670,835.92/18,274.95
  6. Step 6: Final answer
    x = 22,471.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.