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Finding the Fourth Proportional to 14,956.51, 20,640.09 and 8,583.37

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Solution

The fourth proportional to 14,956.51, 20,640.09 and 8,583.37 is: 11,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.51 : 20,640.09 = 8,583.37 : x
  2. Step 2: Convert to fraction form
    14,956.51/20,640.09 = 8,583.37/x
  3. Step 3: Cross multiply
    14,956.51x = 20,640.09 × 8,583.37
  4. Step 4: Simplify right side
    14,956.51x = 177,161,529.30
  5. Step 5: Solve for x
    x = 177,161,529.30/14,956.51
  6. Step 6: Final answer
    x = 11,845.11

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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.