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Finding the Fourth Proportional to 15,294.92, 23,022.98 and 13,039.88

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Solution

The fourth proportional to 15,294.92, 23,022.98 and 13,039.88 is: 19,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.92 : 23,022.98 = 13,039.88 : x
  2. Step 2: Convert to fraction form
    15,294.92/23,022.98 = 13,039.88/x
  3. Step 3: Cross multiply
    15,294.92x = 23,022.98 × 13,039.88
  4. Step 4: Simplify right side
    15,294.92x = 300,216,896.44
  5. Step 5: Solve for x
    x = 300,216,896.44/15,294.92
  6. Step 6: Final answer
    x = 19,628.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.