Home / 13,236.66-19,863.19-7,692.62

Finding the Fourth Proportional to 13,236.66, 19,863.19 and 7,692.62

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Solution

The fourth proportional to 13,236.66, 19,863.19 and 7,692.62 is: 11,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.66 : 19,863.19 = 7,692.62 : x
  2. Step 2: Convert to fraction form
    13,236.66/19,863.19 = 7,692.62/x
  3. Step 3: Cross multiply
    13,236.66x = 19,863.19 × 7,692.62
  4. Step 4: Simplify right side
    13,236.66x = 152,799,854.11
  5. Step 5: Solve for x
    x = 152,799,854.11/13,236.66
  6. Step 6: Final answer
    x = 11,543.69

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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.