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Finding the Fourth Proportional to 18,910.56, 26,092.08 and 14,206.08

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Solution

The fourth proportional to 18,910.56, 26,092.08 and 14,206.08 is: 19,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.56 : 26,092.08 = 14,206.08 : x
  2. Step 2: Convert to fraction form
    18,910.56/26,092.08 = 14,206.08/x
  3. Step 3: Cross multiply
    18,910.56x = 26,092.08 × 14,206.08
  4. Step 4: Simplify right side
    18,910.56x = 370,666,175.85
  5. Step 5: Solve for x
    x = 370,666,175.85/18,910.56
  6. Step 6: Final answer
    x = 19,601.02

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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.