Home / 19,178.87-28,775.21-6,700.73

Finding the Fourth Proportional to 19,178.87, 28,775.21 and 6,700.73

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Solution

The fourth proportional to 19,178.87, 28,775.21 and 6,700.73 is: 10,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.87 : 28,775.21 = 6,700.73 : x
  2. Step 2: Convert to fraction form
    19,178.87/28,775.21 = 6,700.73/x
  3. Step 3: Cross multiply
    19,178.87x = 28,775.21 × 6,700.73
  4. Step 4: Simplify right side
    19,178.87x = 192,814,735.52
  5. Step 5: Solve for x
    x = 192,814,735.52/19,178.87
  6. Step 6: Final answer
    x = 10,053.50

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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.