Home / 43,347.54-65,023.83-12,185.22

Finding the Fourth Proportional to 43,347.54, 65,023.83 and 12,185.22

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Solution

The fourth proportional to 43,347.54, 65,023.83 and 12,185.22 is: 18,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,347.54 : 65,023.83 = 12,185.22 : x
  2. Step 2: Convert to fraction form
    43,347.54/65,023.83 = 12,185.22/x
  3. Step 3: Cross multiply
    43,347.54x = 65,023.83 × 12,185.22
  4. Step 4: Simplify right side
    43,347.54x = 792,329,673.79
  5. Step 5: Solve for x
    x = 792,329,673.79/43,347.54
  6. Step 6: Final answer
    x = 18,278.54

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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.