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Finding the Fourth Proportional to 19,392.76, 26,759.09 and 10,893.25

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Solution

The fourth proportional to 19,392.76, 26,759.09 and 10,893.25 is: 15,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.76 : 26,759.09 = 10,893.25 : x
  2. Step 2: Convert to fraction form
    19,392.76/26,759.09 = 10,893.25/x
  3. Step 3: Cross multiply
    19,392.76x = 26,759.09 × 10,893.25
  4. Step 4: Simplify right side
    19,392.76x = 291,493,335.78
  5. Step 5: Solve for x
    x = 291,493,335.78/19,392.76
  6. Step 6: Final answer
    x = 15,031.04

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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.