Home / 19,015.57-28,522.57-4,975.37

Finding the Fourth Proportional to 19,015.57, 28,522.57 and 4,975.37

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Solution

The fourth proportional to 19,015.57, 28,522.57 and 4,975.37 is: 7,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.57 : 28,522.57 = 4,975.37 : x
  2. Step 2: Convert to fraction form
    19,015.57/28,522.57 = 4,975.37/x
  3. Step 3: Cross multiply
    19,015.57x = 28,522.57 × 4,975.37
  4. Step 4: Simplify right side
    19,015.57x = 141,910,339.10
  5. Step 5: Solve for x
    x = 141,910,339.10/19,015.57
  6. Step 6: Final answer
    x = 7,462.85

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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.