Home / 12,414.51-18,621.77-3,054.56

Finding the Fourth Proportional to 12,414.51, 18,621.77 and 3,054.56

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Solution

The fourth proportional to 12,414.51, 18,621.77 and 3,054.56 is: 4,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.51 : 18,621.77 = 3,054.56 : x
  2. Step 2: Convert to fraction form
    12,414.51/18,621.77 = 3,054.56/x
  3. Step 3: Cross multiply
    12,414.51x = 18,621.77 × 3,054.56
  4. Step 4: Simplify right side
    12,414.51x = 56,881,205.39
  5. Step 5: Solve for x
    x = 56,881,205.39/12,414.51
  6. Step 6: Final answer
    x = 4,581.83

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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.