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Finding the Fourth Proportional to 18,692.69, 25,795.83 and 10,194.66

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Solution

The fourth proportional to 18,692.69, 25,795.83 and 10,194.66 is: 14,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.69 : 25,795.83 = 10,194.66 : x
  2. Step 2: Convert to fraction form
    18,692.69/25,795.83 = 10,194.66/x
  3. Step 3: Cross multiply
    18,692.69x = 25,795.83 × 10,194.66
  4. Step 4: Simplify right side
    18,692.69x = 262,979,754.50
  5. Step 5: Solve for x
    x = 262,979,754.50/18,692.69
  6. Step 6: Final answer
    x = 14,068.59

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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.