Home / 43,350.12-65,025.18-12,185.37

Finding the Fourth Proportional to 43,350.12, 65,025.18 and 12,185.37

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Solution

The fourth proportional to 43,350.12, 65,025.18 and 12,185.37 is: 18,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350.12 : 65,025.18 = 12,185.37 : x
  2. Step 2: Convert to fraction form
    43,350.12/65,025.18 = 12,185.37/x
  3. Step 3: Cross multiply
    43,350.12x = 65,025.18 × 12,185.37
  4. Step 4: Simplify right side
    43,350.12x = 792,355,710.00
  5. Step 5: Solve for x
    x = 792,355,710.00/43,350.12
  6. Step 6: Final answer
    x = 18,278.05

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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.