Home / 32,786.42-45,242.79-18,636.50

Finding the Fourth Proportional to 32,786.42, 45,242.79 and 18,636.50

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Solution

The fourth proportional to 32,786.42, 45,242.79 and 18,636.50 is: 25,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,786.42 : 45,242.79 = 18,636.50 : x
  2. Step 2: Convert to fraction form
    32,786.42/45,242.79 = 18,636.50/x
  3. Step 3: Cross multiply
    32,786.42x = 45,242.79 × 18,636.50
  4. Step 4: Simplify right side
    32,786.42x = 843,167,255.84
  5. Step 5: Solve for x
    x = 843,167,255.84/32,786.42
  6. Step 6: Final answer
    x = 25,716.97

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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.