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Finding the Fourth Proportional to 18,484.00, 25,499.00 and 12,107.81

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Solution

The fourth proportional to 18,484.00, 25,499.00 and 12,107.81 is: 16,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.00 : 25,499.00 = 12,107.81 : x
  2. Step 2: Convert to fraction form
    18,484.00/25,499.00 = 12,107.81/x
  3. Step 3: Cross multiply
    18,484.00x = 25,499.00 × 12,107.81
  4. Step 4: Simplify right side
    18,484.00x = 308,737,141.21
  5. Step 5: Solve for x
    x = 308,737,141.21/18,484.00
  6. Step 6: Final answer
    x = 16,702.94

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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.