Home / 12,774.54-19,150.46-4,981.52

Finding the Fourth Proportional to 12,774.54, 19,150.46 and 4,981.52

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Solution

The fourth proportional to 12,774.54, 19,150.46 and 4,981.52 is: 7,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.54 : 19,150.46 = 4,981.52 : x
  2. Step 2: Convert to fraction form
    12,774.54/19,150.46 = 4,981.52/x
  3. Step 3: Cross multiply
    12,774.54x = 19,150.46 × 4,981.52
  4. Step 4: Simplify right side
    12,774.54x = 95,398,399.50
  5. Step 5: Solve for x
    x = 95,398,399.50/12,774.54
  6. Step 6: Final answer
    x = 7,467.85

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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.