Home / 18,692.52-25,795.68-10,309.56

Finding the Fourth Proportional to 18,692.52, 25,795.68 and 10,309.56

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Solution

The fourth proportional to 18,692.52, 25,795.68 and 10,309.56 is: 14,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.52 : 25,795.68 = 10,309.56 : x
  2. Step 2: Convert to fraction form
    18,692.52/25,795.68 = 10,309.56/x
  3. Step 3: Cross multiply
    18,692.52x = 25,795.68 × 10,309.56
  4. Step 4: Simplify right side
    18,692.52x = 265,942,110.70
  5. Step 5: Solve for x
    x = 265,942,110.70/18,692.52
  6. Step 6: Final answer
    x = 14,227.19

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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.