Home / 14,216.64-21,324.96-5,454.24

Finding the Fourth Proportional to 14,216.64, 21,324.96 and 5,454.24

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Solution

The fourth proportional to 14,216.64, 21,324.96 and 5,454.24 is: 8,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.64 : 21,324.96 = 5,454.24 : x
  2. Step 2: Convert to fraction form
    14,216.64/21,324.96 = 5,454.24/x
  3. Step 3: Cross multiply
    14,216.64x = 21,324.96 × 5,454.24
  4. Step 4: Simplify right side
    14,216.64x = 116,311,449.83
  5. Step 5: Solve for x
    x = 116,311,449.83/14,216.64
  6. Step 6: Final answer
    x = 8,181.36

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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.