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Finding the Fourth Proportional to 19,751.71, 27,257.42 and 10,799.36

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Solution

The fourth proportional to 19,751.71, 27,257.42 and 10,799.36 is: 14,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,751.71 : 27,257.42 = 10,799.36 : x
  2. Step 2: Convert to fraction form
    19,751.71/27,257.42 = 10,799.36/x
  3. Step 3: Cross multiply
    19,751.71x = 27,257.42 × 10,799.36
  4. Step 4: Simplify right side
    19,751.71x = 294,362,786.39
  5. Step 5: Solve for x
    x = 294,362,786.39/19,751.71
  6. Step 6: Final answer
    x = 14,903.15

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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.