Home / 14,216.36-21,321.66-3,825.68

Finding the Fourth Proportional to 14,216.36, 21,321.66 and 3,825.68

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Solution

The fourth proportional to 14,216.36, 21,321.66 and 3,825.68 is: 5,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.36 : 21,321.66 = 3,825.68 : x
  2. Step 2: Convert to fraction form
    14,216.36/21,321.66 = 3,825.68/x
  3. Step 3: Cross multiply
    14,216.36x = 21,321.66 × 3,825.68
  4. Step 4: Simplify right side
    14,216.36x = 81,569,848.23
  5. Step 5: Solve for x
    x = 81,569,848.23/14,216.36
  6. Step 6: Final answer
    x = 5,737.74

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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.