Home / 13,305.12-19,955.88-3,444.48

Finding the Fourth Proportional to 13,305.12, 19,955.88 and 3,444.48

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Solution

The fourth proportional to 13,305.12, 19,955.88 and 3,444.48 is: 5,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.12 : 19,955.88 = 3,444.48 : x
  2. Step 2: Convert to fraction form
    13,305.12/19,955.88 = 3,444.48/x
  3. Step 3: Cross multiply
    13,305.12x = 19,955.88 × 3,444.48
  4. Step 4: Simplify right side
    13,305.12x = 68,737,629.54
  5. Step 5: Solve for x
    x = 68,737,629.54/13,305.12
  6. Step 6: Final answer
    x = 5,166.25

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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.