Home / 21,745.75-32,563.24-14,327.72

Finding the Fourth Proportional to 21,745.75, 32,563.24 and 14,327.72

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Solution

The fourth proportional to 21,745.75, 32,563.24 and 14,327.72 is: 21,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.75 : 32,563.24 = 14,327.72 : x
  2. Step 2: Convert to fraction form
    21,745.75/32,563.24 = 14,327.72/x
  3. Step 3: Cross multiply
    21,745.75x = 32,563.24 × 14,327.72
  4. Step 4: Simplify right side
    21,745.75x = 466,557,131.95
  5. Step 5: Solve for x
    x = 466,557,131.95/21,745.75
  6. Step 6: Final answer
    x = 21,455.10

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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.