Home / 20,692.35-31,033.38-5,901.39

Finding the Fourth Proportional to 20,692.35, 31,033.38 and 5,901.39

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Solution

The fourth proportional to 20,692.35, 31,033.38 and 5,901.39 is: 8,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.35 : 31,033.38 = 5,901.39 : x
  2. Step 2: Convert to fraction form
    20,692.35/31,033.38 = 5,901.39/x
  3. Step 3: Cross multiply
    20,692.35x = 31,033.38 × 5,901.39
  4. Step 4: Simplify right side
    20,692.35x = 183,139,923.23
  5. Step 5: Solve for x
    x = 183,139,923.23/20,692.35
  6. Step 6: Final answer
    x = 8,850.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.