Home / 12,848.66-19,268.88-4,081.53

Finding the Fourth Proportional to 12,848.66, 19,268.88 and 4,081.53

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Solution

The fourth proportional to 12,848.66, 19,268.88 and 4,081.53 is: 6,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.66 : 19,268.88 = 4,081.53 : x
  2. Step 2: Convert to fraction form
    12,848.66/19,268.88 = 4,081.53/x
  3. Step 3: Cross multiply
    12,848.66x = 19,268.88 × 4,081.53
  4. Step 4: Simplify right side
    12,848.66x = 78,646,511.79
  5. Step 5: Solve for x
    x = 78,646,511.79/12,848.66
  6. Step 6: Final answer
    x = 6,120.99

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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.