Home / 14,230.94-21,343.96-3,840.26

Finding the Fourth Proportional to 14,230.94, 21,343.96 and 3,840.26

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Solution

The fourth proportional to 14,230.94, 21,343.96 and 3,840.26 is: 5,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.94 : 21,343.96 = 3,840.26 : x
  2. Step 2: Convert to fraction form
    14,230.94/21,343.96 = 3,840.26/x
  3. Step 3: Cross multiply
    14,230.94x = 21,343.96 × 3,840.26
  4. Step 4: Simplify right side
    14,230.94x = 81,966,355.83
  5. Step 5: Solve for x
    x = 81,966,355.83/14,230.94
  6. Step 6: Final answer
    x = 5,759.73

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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.