Home / 19,014.57-28,521.84-5,163.57

Finding the Fourth Proportional to 19,014.57, 28,521.84 and 5,163.57

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Solution

The fourth proportional to 19,014.57, 28,521.84 and 5,163.57 is: 7,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.57 : 28,521.84 = 5,163.57 : x
  2. Step 2: Convert to fraction form
    19,014.57/28,521.84 = 5,163.57/x
  3. Step 3: Cross multiply
    19,014.57x = 28,521.84 × 5,163.57
  4. Step 4: Simplify right side
    19,014.57x = 147,274,517.37
  5. Step 5: Solve for x
    x = 147,274,517.37/19,014.57
  6. Step 6: Final answer
    x = 7,745.35

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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.