Home / 13,201.73-19,781.75-4,870.28

Finding the Fourth Proportional to 13,201.73, 19,781.75 and 4,870.28

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Solution

The fourth proportional to 13,201.73, 19,781.75 and 4,870.28 is: 7,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.73 : 19,781.75 = 4,870.28 : x
  2. Step 2: Convert to fraction form
    13,201.73/19,781.75 = 4,870.28/x
  3. Step 3: Cross multiply
    13,201.73x = 19,781.75 × 4,870.28
  4. Step 4: Simplify right side
    13,201.73x = 96,342,574.66
  5. Step 5: Solve for x
    x = 96,342,574.66/13,201.73
  6. Step 6: Final answer
    x = 7,297.73

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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.