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Finding the Fourth Proportional to 18,529.00, 25,550.15 and 14,940.19

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Solution

The fourth proportional to 18,529.00, 25,550.15 and 14,940.19 is: 20,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.00 : 25,550.15 = 14,940.19 : x
  2. Step 2: Convert to fraction form
    18,529.00/25,550.15 = 14,940.19/x
  3. Step 3: Cross multiply
    18,529.00x = 25,550.15 × 14,940.19
  4. Step 4: Simplify right side
    18,529.00x = 381,724,069.00
  5. Step 5: Solve for x
    x = 381,724,069.00/18,529.00
  6. Step 6: Final answer
    x = 20,601.44

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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.