Home / 43,745.37-65,628.48-14,163.21

Finding the Fourth Proportional to 43,745.37, 65,628.48 and 14,163.21

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Solution

The fourth proportional to 43,745.37, 65,628.48 and 14,163.21 is: 21,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,745.37 : 65,628.48 = 14,163.21 : x
  2. Step 2: Convert to fraction form
    43,745.37/65,628.48 = 14,163.21/x
  3. Step 3: Cross multiply
    43,745.37x = 65,628.48 × 14,163.21
  4. Step 4: Simplify right side
    43,745.37x = 929,509,944.22
  5. Step 5: Solve for x
    x = 929,509,944.22/43,745.37
  6. Step 6: Final answer
    x = 21,248.19

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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.