Home / 14,216.31-21,327.50-5,453.73

Finding the Fourth Proportional to 14,216.31, 21,327.50 and 5,453.73

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Solution

The fourth proportional to 14,216.31, 21,327.50 and 5,453.73 is: 8,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.31 : 21,327.50 = 5,453.73 : x
  2. Step 2: Convert to fraction form
    14,216.31/21,327.50 = 5,453.73/x
  3. Step 3: Cross multiply
    14,216.31x = 21,327.50 × 5,453.73
  4. Step 4: Simplify right side
    14,216.31x = 116,314,440.21
  5. Step 5: Solve for x
    x = 116,314,440.21/14,216.31
  6. Step 6: Final answer
    x = 8,181.76

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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.