Home / 25,755.24-35,539.38-15,698.28

Finding the Fourth Proportional to 25,755.24, 35,539.38 and 15,698.28

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Solution

The fourth proportional to 25,755.24, 35,539.38 and 15,698.28 is: 21,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.24 : 35,539.38 = 15,698.28 : x
  2. Step 2: Convert to fraction form
    25,755.24/35,539.38 = 15,698.28/x
  3. Step 3: Cross multiply
    25,755.24x = 35,539.38 × 15,698.28
  4. Step 4: Simplify right side
    25,755.24x = 557,907,138.27
  5. Step 5: Solve for x
    x = 557,907,138.27/25,755.24
  6. Step 6: Final answer
    x = 21,661.89

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1.5x scale

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.