Home / 13,169.19-19,761.59-4,855.06

Finding the Fourth Proportional to 13,169.19, 19,761.59 and 4,855.06

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Solution

The fourth proportional to 13,169.19, 19,761.59 and 4,855.06 is: 7,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.19 : 19,761.59 = 4,855.06 : x
  2. Step 2: Convert to fraction form
    13,169.19/19,761.59 = 4,855.06/x
  3. Step 3: Cross multiply
    13,169.19x = 19,761.59 × 4,855.06
  4. Step 4: Simplify right side
    13,169.19x = 95,943,705.15
  5. Step 5: Solve for x
    x = 95,943,705.15/13,169.19
  6. Step 6: Final answer
    x = 7,285.47

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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.