Home / 43,352.24-65,028.36-12,187.49

Finding the Fourth Proportional to 43,352.24, 65,028.36 and 12,187.49

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Solution

The fourth proportional to 43,352.24, 65,028.36 and 12,187.49 is: 18,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,352.24 : 65,028.36 = 12,187.49 : x
  2. Step 2: Convert to fraction form
    43,352.24/65,028.36 = 12,187.49/x
  3. Step 3: Cross multiply
    43,352.24x = 65,028.36 × 12,187.49
  4. Step 4: Simplify right side
    43,352.24x = 792,532,487.22
  5. Step 5: Solve for x
    x = 792,532,487.22/43,352.24
  6. Step 6: Final answer
    x = 18,281.24

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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.