Home / 25,578.36-38,371.59-10,791.54

Finding the Fourth Proportional to 25,578.36, 38,371.59 and 10,791.54

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Solution

The fourth proportional to 25,578.36, 38,371.59 and 10,791.54 is: 16,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.36 : 38,371.59 = 10,791.54 : x
  2. Step 2: Convert to fraction form
    25,578.36/38,371.59 = 10,791.54/x
  3. Step 3: Cross multiply
    25,578.36x = 38,371.59 × 10,791.54
  4. Step 4: Simplify right side
    25,578.36x = 414,088,548.35
  5. Step 5: Solve for x
    x = 414,088,548.35/25,578.36
  6. Step 6: Final answer
    x = 16,189.02

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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.