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Finding the Fourth Proportional to 15,893.92, 21,934.50 and 9,608.32

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Solution

The fourth proportional to 15,893.92, 21,934.50 and 9,608.32 is: 13,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,893.92 : 21,934.50 = 9,608.32 : x
  2. Step 2: Convert to fraction form
    15,893.92/21,934.50 = 9,608.32/x
  3. Step 3: Cross multiply
    15,893.92x = 21,934.50 × 9,608.32
  4. Step 4: Simplify right side
    15,893.92x = 210,753,585.37
  5. Step 5: Solve for x
    x = 210,753,585.37/15,893.92
  6. Step 6: Final answer
    x = 13,260.02

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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.