Home / 25,629.43-38,445.31-7,858.79

Finding the Fourth Proportional to 25,629.43, 38,445.31 and 7,858.79

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Solution

The fourth proportional to 25,629.43, 38,445.31 and 7,858.79 is: 11,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.43 : 38,445.31 = 7,858.79 : x
  2. Step 2: Convert to fraction form
    25,629.43/38,445.31 = 7,858.79/x
  3. Step 3: Cross multiply
    25,629.43x = 38,445.31 × 7,858.79
  4. Step 4: Simplify right side
    25,629.43x = 302,133,578.48
  5. Step 5: Solve for x
    x = 302,133,578.48/25,629.43
  6. Step 6: Final answer
    x = 11,788.54

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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.