Home / 15,943.37-23,878.53-7,629.26

Finding the Fourth Proportional to 15,943.37, 23,878.53 and 7,629.26

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Solution

The fourth proportional to 15,943.37, 23,878.53 and 7,629.26 is: 11,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.37 : 23,878.53 = 7,629.26 : x
  2. Step 2: Convert to fraction form
    15,943.37/23,878.53 = 7,629.26/x
  3. Step 3: Cross multiply
    15,943.37x = 23,878.53 × 7,629.26
  4. Step 4: Simplify right side
    15,943.37x = 182,175,394.40
  5. Step 5: Solve for x
    x = 182,175,394.40/15,943.37
  6. Step 6: Final answer
    x = 11,426.41

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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.