Home / 43,561.14-65,341.74-12,396.39

Finding the Fourth Proportional to 43,561.14, 65,341.74 and 12,396.39

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Solution

The fourth proportional to 43,561.14, 65,341.74 and 12,396.39 is: 18,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561.14 : 65,341.74 = 12,396.39 : x
  2. Step 2: Convert to fraction form
    43,561.14/65,341.74 = 12,396.39/x
  3. Step 3: Cross multiply
    43,561.14x = 65,341.74 × 12,396.39
  4. Step 4: Simplify right side
    43,561.14x = 810,001,692.32
  5. Step 5: Solve for x
    x = 810,001,692.32/43,561.14
  6. Step 6: Final answer
    x = 18,594.59

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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.