Home / 43,016.72-64,525.44-11,853.68

Finding the Fourth Proportional to 43,016.72, 64,525.44 and 11,853.68

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Solution

The fourth proportional to 43,016.72, 64,525.44 and 11,853.68 is: 17,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016.72 : 64,525.44 = 11,853.68 : x
  2. Step 2: Convert to fraction form
    43,016.72/64,525.44 = 11,853.68/x
  3. Step 3: Cross multiply
    43,016.72x = 64,525.44 × 11,853.68
  4. Step 4: Simplify right side
    43,016.72x = 764,863,917.62
  5. Step 5: Solve for x
    x = 764,863,917.62/43,016.72
  6. Step 6: Final answer
    x = 17,780.62

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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.