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Finding the Fourth Proportional to 19,398.77, 26,770.06 and 11,014.73

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Solution

The fourth proportional to 19,398.77, 26,770.06 and 11,014.73 is: 15,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.77 : 26,770.06 = 11,014.73 : x
  2. Step 2: Convert to fraction form
    19,398.77/26,770.06 = 11,014.73/x
  3. Step 3: Cross multiply
    19,398.77x = 26,770.06 × 11,014.73
  4. Step 4: Simplify right side
    19,398.77x = 294,864,982.98
  5. Step 5: Solve for x
    x = 294,864,982.98/19,398.77
  6. Step 6: Final answer
    x = 15,200.19

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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.