Home / 12,815.82-19,230.57-5,024.70

Finding the Fourth Proportional to 12,815.82, 19,230.57 and 5,024.70

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Solution

The fourth proportional to 12,815.82, 19,230.57 and 5,024.70 is: 7,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815.82 : 19,230.57 = 5,024.70 : x
  2. Step 2: Convert to fraction form
    12,815.82/19,230.57 = 5,024.70/x
  3. Step 3: Cross multiply
    12,815.82x = 19,230.57 × 5,024.70
  4. Step 4: Simplify right side
    12,815.82x = 96,627,845.08
  5. Step 5: Solve for x
    x = 96,627,845.08/12,815.82
  6. Step 6: Final answer
    x = 7,539.73

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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.