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Finding the Fourth Proportional to 19,793.01, 27,314.40 and 10,718.48

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Solution

The fourth proportional to 19,793.01, 27,314.40 and 10,718.48 is: 14,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.01 : 27,314.40 = 10,718.48 : x
  2. Step 2: Convert to fraction form
    19,793.01/27,314.40 = 10,718.48/x
  3. Step 3: Cross multiply
    19,793.01x = 27,314.40 × 10,718.48
  4. Step 4: Simplify right side
    19,793.01x = 292,768,713.54
  5. Step 5: Solve for x
    x = 292,768,713.54/19,793.01
  6. Step 6: Final answer
    x = 14,791.52

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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.