Home / 43,692.06-65,540.55-12,526.50

Finding the Fourth Proportional to 43,692.06, 65,540.55 and 12,526.50

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Solution

The fourth proportional to 43,692.06, 65,540.55 and 12,526.50 is: 18,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,692.06 : 65,540.55 = 12,526.50 : x
  2. Step 2: Convert to fraction form
    43,692.06/65,540.55 = 12,526.50/x
  3. Step 3: Cross multiply
    43,692.06x = 65,540.55 × 12,526.50
  4. Step 4: Simplify right side
    43,692.06x = 820,993,699.58
  5. Step 5: Solve for x
    x = 820,993,699.58/43,692.06
  6. Step 6: Final answer
    x = 18,790.46

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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.