Home / 25,400.88-35,022.24-18,666

Finding the Fourth Proportional to 25,400.88, 35,022.24 and 18,666

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Solution

The fourth proportional to 25,400.88, 35,022.24 and 18,666 is: 25,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.88 : 35,022.24 = 18,666 : x
  2. Step 2: Convert to fraction form
    25,400.88/35,022.24 = 18,666/x
  3. Step 3: Cross multiply
    25,400.88x = 35,022.24 × 18,666
  4. Step 4: Simplify right side
    25,400.88x = 653,725,131.84
  5. Step 5: Solve for x
    x = 653,725,131.84/25,400.88
  6. Step 6: Final answer
    x = 25,736.32

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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.