Home / 12,692.83-19,040.34-3,332.80

Finding the Fourth Proportional to 12,692.83, 19,040.34 and 3,332.80

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Solution

The fourth proportional to 12,692.83, 19,040.34 and 3,332.80 is: 4,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.83 : 19,040.34 = 3,332.80 : x
  2. Step 2: Convert to fraction form
    12,692.83/19,040.34 = 3,332.80/x
  3. Step 3: Cross multiply
    12,692.83x = 19,040.34 × 3,332.80
  4. Step 4: Simplify right side
    12,692.83x = 63,457,645.15
  5. Step 5: Solve for x
    x = 63,457,645.15/12,692.83
  6. Step 6: Final answer
    x = 4,999.49

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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.