Home / 12,355.82-18,536.66-4,035.84

Finding the Fourth Proportional to 12,355.82, 18,536.66 and 4,035.84

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Solution

The fourth proportional to 12,355.82, 18,536.66 and 4,035.84 is: 6,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.82 : 18,536.66 = 4,035.84 : x
  2. Step 2: Convert to fraction form
    12,355.82/18,536.66 = 4,035.84/x
  3. Step 3: Cross multiply
    12,355.82x = 18,536.66 × 4,035.84
  4. Step 4: Simplify right side
    12,355.82x = 74,810,993.89
  5. Step 5: Solve for x
    x = 74,810,993.89/12,355.82
  6. Step 6: Final answer
    x = 6,054.72

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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.