Home / 32,786.75-45,249.55-18,641.72

Finding the Fourth Proportional to 32,786.75, 45,249.55 and 18,641.72

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Solution

The fourth proportional to 32,786.75, 45,249.55 and 18,641.72 is: 25,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,786.75 : 45,249.55 = 18,641.72 : x
  2. Step 2: Convert to fraction form
    32,786.75/45,249.55 = 18,641.72/x
  3. Step 3: Cross multiply
    32,786.75x = 45,249.55 × 18,641.72
  4. Step 4: Simplify right side
    32,786.75x = 843,529,168.37
  5. Step 5: Solve for x
    x = 843,529,168.37/32,786.75
  6. Step 6: Final answer
    x = 25,727.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.