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Finding the Fourth Proportional to 16,896.60, 25,365.70 and 10,656.60

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Solution

The fourth proportional to 16,896.60, 25,365.70 and 10,656.60 is: 15,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.60 : 25,365.70 = 10,656.60 : x
  2. Step 2: Convert to fraction form
    16,896.60/25,365.70 = 10,656.60/x
  3. Step 3: Cross multiply
    16,896.60x = 25,365.70 × 10,656.60
  4. Step 4: Simplify right side
    16,896.60x = 270,312,118.62
  5. Step 5: Solve for x
    x = 270,312,118.62/16,896.60
  6. Step 6: Final answer
    x = 15,998.02

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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.