Home / 14,243.67-21,362.99-3,856.23

Finding the Fourth Proportional to 14,243.67, 21,362.99 and 3,856.23

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Solution

The fourth proportional to 14,243.67, 21,362.99 and 3,856.23 is: 5,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.67 : 21,362.99 = 3,856.23 : x
  2. Step 2: Convert to fraction form
    14,243.67/21,362.99 = 3,856.23/x
  3. Step 3: Cross multiply
    14,243.67x = 21,362.99 × 3,856.23
  4. Step 4: Simplify right side
    14,243.67x = 82,380,583.65
  5. Step 5: Solve for x
    x = 82,380,583.65/14,243.67
  6. Step 6: Final answer
    x = 5,783.66

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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.