Home / 25,230.72-37,850.64-10,431.60

Finding the Fourth Proportional to 25,230.72, 37,850.64 and 10,431.60

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Solution

The fourth proportional to 25,230.72, 37,850.64 and 10,431.60 is: 15,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,230.72 : 37,850.64 = 10,431.60 : x
  2. Step 2: Convert to fraction form
    25,230.72/37,850.64 = 10,431.60/x
  3. Step 3: Cross multiply
    25,230.72x = 37,850.64 × 10,431.60
  4. Step 4: Simplify right side
    25,230.72x = 394,842,736.22
  5. Step 5: Solve for x
    x = 394,842,736.22/25,230.72
  6. Step 6: Final answer
    x = 15,649.29

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1.5x scale

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.