Home / 25,947.72-35,794.78-15,185.52

Finding the Fourth Proportional to 25,947.72, 35,794.78 and 15,185.52

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Solution

The fourth proportional to 25,947.72, 35,794.78 and 15,185.52 is: 20,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.72 : 35,794.78 = 15,185.52 : x
  2. Step 2: Convert to fraction form
    25,947.72/35,794.78 = 15,185.52/x
  3. Step 3: Cross multiply
    25,947.72x = 35,794.78 × 15,185.52
  4. Step 4: Simplify right side
    25,947.72x = 543,562,309.62
  5. Step 5: Solve for x
    x = 543,562,309.62/25,947.72
  6. Step 6: Final answer
    x = 20,948.37

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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.