Home / 19,190.57-26,481.09-10,692.35

Finding the Fourth Proportional to 19,190.57, 26,481.09 and 10,692.35

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Solution

The fourth proportional to 19,190.57, 26,481.09 and 10,692.35 is: 14,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.57 : 26,481.09 = 10,692.35 : x
  2. Step 2: Convert to fraction form
    19,190.57/26,481.09 = 10,692.35/x
  3. Step 3: Cross multiply
    19,190.57x = 26,481.09 × 10,692.35
  4. Step 4: Simplify right side
    19,190.57x = 283,145,238.61
  5. Step 5: Solve for x
    x = 283,145,238.61/19,190.57
  6. Step 6: Final answer
    x = 14,754.39

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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.