Home / 15,143.87-22,716.97-4,614.79

Finding the Fourth Proportional to 15,143.87, 22,716.97 and 4,614.79

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Solution

The fourth proportional to 15,143.87, 22,716.97 and 4,614.79 is: 6,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.87 : 22,716.97 = 4,614.79 : x
  2. Step 2: Convert to fraction form
    15,143.87/22,716.97 = 4,614.79/x
  3. Step 3: Cross multiply
    15,143.87x = 22,716.97 × 4,614.79
  4. Step 4: Simplify right side
    15,143.87x = 104,833,977.66
  5. Step 5: Solve for x
    x = 104,833,977.66/15,143.87
  6. Step 6: Final answer
    x = 6,922.54

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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.