Home / 25,900.82-38,846.93-7,182.78

Finding the Fourth Proportional to 25,900.82, 38,846.93 and 7,182.78

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Solution

The fourth proportional to 25,900.82, 38,846.93 and 7,182.78 is: 10,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.82 : 38,846.93 = 7,182.78 : x
  2. Step 2: Convert to fraction form
    25,900.82/38,846.93 = 7,182.78/x
  3. Step 3: Cross multiply
    25,900.82x = 38,846.93 × 7,182.78
  4. Step 4: Simplify right side
    25,900.82x = 279,028,951.87
  5. Step 5: Solve for x
    x = 279,028,951.87/25,900.82
  6. Step 6: Final answer
    x = 10,772.98

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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.