Home / 34,163.87-51,221.58-15,178.07

Finding the Fourth Proportional to 34,163.87, 51,221.58 and 15,178.07

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Solution

The fourth proportional to 34,163.87, 51,221.58 and 15,178.07 is: 22,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,163.87 : 51,221.58 = 15,178.07 : x
  2. Step 2: Convert to fraction form
    34,163.87/51,221.58 = 15,178.07/x
  3. Step 3: Cross multiply
    34,163.87x = 51,221.58 × 15,178.07
  4. Step 4: Simplify right side
    34,163.87x = 777,444,470.64
  5. Step 5: Solve for x
    x = 777,444,470.64/34,163.87
  6. Step 6: Final answer
    x = 22,756.34

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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.