Home / 12,804.84-19,205.66-4,039

Finding the Fourth Proportional to 12,804.84, 19,205.66 and 4,039

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Solution

The fourth proportional to 12,804.84, 19,205.66 and 4,039 is: 6,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.84 : 19,205.66 = 4,039 : x
  2. Step 2: Convert to fraction form
    12,804.84/19,205.66 = 4,039/x
  3. Step 3: Cross multiply
    12,804.84x = 19,205.66 × 4,039
  4. Step 4: Simplify right side
    12,804.84x = 77,571,660.74
  5. Step 5: Solve for x
    x = 77,571,660.74/12,804.84
  6. Step 6: Final answer
    x = 6,058.00

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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.