Home / 13,902.63-19,183.79-7,933.95

Finding the Fourth Proportional to 13,902.63, 19,183.79 and 7,933.95

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Solution

The fourth proportional to 13,902.63, 19,183.79 and 7,933.95 is: 10,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.63 : 19,183.79 = 7,933.95 : x
  2. Step 2: Convert to fraction form
    13,902.63/19,183.79 = 7,933.95/x
  3. Step 3: Cross multiply
    13,902.63x = 19,183.79 × 7,933.95
  4. Step 4: Simplify right side
    13,902.63x = 152,203,230.67
  5. Step 5: Solve for x
    x = 152,203,230.67/13,902.63
  6. Step 6: Final answer
    x = 10,947.80

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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.