Home / 12,459.24-18,685.67-3,692.11

Finding the Fourth Proportional to 12,459.24, 18,685.67 and 3,692.11

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Solution

The fourth proportional to 12,459.24, 18,685.67 and 3,692.11 is: 5,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.24 : 18,685.67 = 3,692.11 : x
  2. Step 2: Convert to fraction form
    12,459.24/18,685.67 = 3,692.11/x
  3. Step 3: Cross multiply
    12,459.24x = 18,685.67 × 3,692.11
  4. Step 4: Simplify right side
    12,459.24x = 68,989,511.58
  5. Step 5: Solve for x
    x = 68,989,511.58/12,459.24
  6. Step 6: Final answer
    x = 5,537.22

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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.