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Finding the Fourth Proportional to 18,908.56, 26,092.20 and 10,525.84

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Solution

The fourth proportional to 18,908.56, 26,092.20 and 10,525.84 is: 14,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.56 : 26,092.20 = 10,525.84 : x
  2. Step 2: Convert to fraction form
    18,908.56/26,092.20 = 10,525.84/x
  3. Step 3: Cross multiply
    18,908.56x = 26,092.20 × 10,525.84
  4. Step 4: Simplify right side
    18,908.56x = 274,642,322.45
  5. Step 5: Solve for x
    x = 274,642,322.45/18,908.56
  6. Step 6: Final answer
    x = 14,524.76

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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.