Home / 17,629.09-26,439.54-5,146.48

Finding the Fourth Proportional to 17,629.09, 26,439.54 and 5,146.48

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Solution

The fourth proportional to 17,629.09, 26,439.54 and 5,146.48 is: 7,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,629.09 : 26,439.54 = 5,146.48 : x
  2. Step 2: Convert to fraction form
    17,629.09/26,439.54 = 5,146.48/x
  3. Step 3: Cross multiply
    17,629.09x = 26,439.54 × 5,146.48
  4. Step 4: Simplify right side
    17,629.09x = 136,070,563.82
  5. Step 5: Solve for x
    x = 136,070,563.82/17,629.09
  6. Step 6: Final answer
    x = 7,718.52

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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.