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Finding the Fourth Proportional to 15,592.00, 21,516.97 and 8,518.54

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Solution

The fourth proportional to 15,592.00, 21,516.97 and 8,518.54 is: 11,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.00 : 21,516.97 = 8,518.54 : x
  2. Step 2: Convert to fraction form
    15,592.00/21,516.97 = 8,518.54/x
  3. Step 3: Cross multiply
    15,592.00x = 21,516.97 × 8,518.54
  4. Step 4: Simplify right side
    15,592.00x = 183,293,062.04
  5. Step 5: Solve for x
    x = 183,293,062.04/15,592.00
  6. Step 6: Final answer
    x = 11,755.59

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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.