Home / 15,629.73-21,569.04-8,556.19

Finding the Fourth Proportional to 15,629.73, 21,569.04 and 8,556.19

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Solution

The fourth proportional to 15,629.73, 21,569.04 and 8,556.19 is: 11,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.73 : 21,569.04 = 8,556.19 : x
  2. Step 2: Convert to fraction form
    15,629.73/21,569.04 = 8,556.19/x
  3. Step 3: Cross multiply
    15,629.73x = 21,569.04 × 8,556.19
  4. Step 4: Simplify right side
    15,629.73x = 184,548,804.36
  5. Step 5: Solve for x
    x = 184,548,804.36/15,629.73
  6. Step 6: Final answer
    x = 11,807.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.