Home / 43,352.08-65,028.12-12,187.33

Finding the Fourth Proportional to 43,352.08, 65,028.12 and 12,187.33

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Solution

The fourth proportional to 43,352.08, 65,028.12 and 12,187.33 is: 18,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,352.08 : 65,028.12 = 12,187.33 : x
  2. Step 2: Convert to fraction form
    43,352.08/65,028.12 = 12,187.33/x
  3. Step 3: Cross multiply
    43,352.08x = 65,028.12 × 12,187.33
  4. Step 4: Simplify right side
    43,352.08x = 792,519,157.72
  5. Step 5: Solve for x
    x = 792,519,157.72/43,352.08
  6. Step 6: Final answer
    x = 18,281.00

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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.