Home / 43,849.14-65,777.55-12,259.54

Finding the Fourth Proportional to 43,849.14, 65,777.55 and 12,259.54

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Solution

The fourth proportional to 43,849.14, 65,777.55 and 12,259.54 is: 18,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,849.14 : 65,777.55 = 12,259.54 : x
  2. Step 2: Convert to fraction form
    43,849.14/65,777.55 = 12,259.54/x
  3. Step 3: Cross multiply
    43,849.14x = 65,777.55 × 12,259.54
  4. Step 4: Simplify right side
    43,849.14x = 806,402,505.33
  5. Step 5: Solve for x
    x = 806,402,505.33/43,849.14
  6. Step 6: Final answer
    x = 18,390.38

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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.