Home / 14,380.87-19,845.55-8,007.54

Finding the Fourth Proportional to 14,380.87, 19,845.55 and 8,007.54

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Solution

The fourth proportional to 14,380.87, 19,845.55 and 8,007.54 is: 11,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.87 : 19,845.55 = 8,007.54 : x
  2. Step 2: Convert to fraction form
    14,380.87/19,845.55 = 8,007.54/x
  3. Step 3: Cross multiply
    14,380.87x = 19,845.55 × 8,007.54
  4. Step 4: Simplify right side
    14,380.87x = 158,914,010.11
  5. Step 5: Solve for x
    x = 158,914,010.11/14,380.87
  6. Step 6: Final answer
    x = 11,050.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.