Home / 25,495.05-35,185.53-15,425.97

Finding the Fourth Proportional to 25,495.05, 35,185.53 and 15,425.97

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Solution

The fourth proportional to 25,495.05, 35,185.53 and 15,425.97 is: 21,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495.05 : 35,185.53 = 15,425.97 : x
  2. Step 2: Convert to fraction form
    25,495.05/35,185.53 = 15,425.97/x
  3. Step 3: Cross multiply
    25,495.05x = 35,185.53 × 15,425.97
  4. Step 4: Simplify right side
    25,495.05x = 542,770,930.21
  5. Step 5: Solve for x
    x = 542,770,930.21/25,495.05
  6. Step 6: Final answer
    x = 21,289.27

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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.