Home / 21,825.12-32,682.09-14,406.94

Finding the Fourth Proportional to 21,825.12, 32,682.09 and 14,406.94

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Solution

The fourth proportional to 21,825.12, 32,682.09 and 14,406.94 is: 21,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825.12 : 32,682.09 = 14,406.94 : x
  2. Step 2: Convert to fraction form
    21,825.12/32,682.09 = 14,406.94/x
  3. Step 3: Cross multiply
    21,825.12x = 32,682.09 × 14,406.94
  4. Step 4: Simplify right side
    21,825.12x = 470,848,872.15
  5. Step 5: Solve for x
    x = 470,848,872.15/21,825.12
  6. Step 6: Final answer
    x = 21,573.71

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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.