Home / 21,745.96-32,611.26-9,427.24

Finding the Fourth Proportional to 21,745.96, 32,611.26 and 9,427.24

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Solution

The fourth proportional to 21,745.96, 32,611.26 and 9,427.24 is: 14,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.96 : 32,611.26 = 9,427.24 : x
  2. Step 2: Convert to fraction form
    21,745.96/32,611.26 = 9,427.24/x
  3. Step 3: Cross multiply
    21,745.96x = 32,611.26 × 9,427.24
  4. Step 4: Simplify right side
    21,745.96x = 307,434,174.72
  5. Step 5: Solve for x
    x = 307,434,174.72/21,745.96
  6. Step 6: Final answer
    x = 14,137.53

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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.