Home / 29,118.01-43,693.94-12,249.78

Finding the Fourth Proportional to 29,118.01, 43,693.94 and 12,249.78

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Solution

The fourth proportional to 29,118.01, 43,693.94 and 12,249.78 is: 18,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.01 : 43,693.94 = 12,249.78 : x
  2. Step 2: Convert to fraction form
    29,118.01/43,693.94 = 12,249.78/x
  3. Step 3: Cross multiply
    29,118.01x = 43,693.94 × 12,249.78
  4. Step 4: Simplify right side
    29,118.01x = 535,241,182.96
  5. Step 5: Solve for x
    x = 535,241,182.96/29,118.01
  6. Step 6: Final answer
    x = 18,381.79

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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.