Home / 25,963.36-35,829.60-19,664.80

Finding the Fourth Proportional to 25,963.36, 35,829.60 and 19,664.80

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Solution

The fourth proportional to 25,963.36, 35,829.60 and 19,664.80 is: 27,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.36 : 35,829.60 = 19,664.80 : x
  2. Step 2: Convert to fraction form
    25,963.36/35,829.60 = 19,664.80/x
  3. Step 3: Cross multiply
    25,963.36x = 35,829.60 × 19,664.80
  4. Step 4: Simplify right side
    25,963.36x = 704,581,918.08
  5. Step 5: Solve for x
    x = 704,581,918.08/25,963.36
  6. Step 6: Final answer
    x = 27,137.55

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Why These Related Problems?

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