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Finding the Fourth Proportional to 22,657.58, 33,951.44 and 12,129.00

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Solution

The fourth proportional to 22,657.58, 33,951.44 and 12,129.00 is: 18,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.58 : 33,951.44 = 12,129.00 : x
  2. Step 2: Convert to fraction form
    22,657.58/33,951.44 = 12,129.00/x
  3. Step 3: Cross multiply
    22,657.58x = 33,951.44 × 12,129.00
  4. Step 4: Simplify right side
    22,657.58x = 411,796,785.36
  5. Step 5: Solve for x
    x = 411,796,785.36/22,657.58
  6. Step 6: Final answer
    x = 18,174.79

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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.