Home / 23,472.63-32,381.39-20,786.60

Finding the Fourth Proportional to 23,472.63, 32,381.39 and 20,786.60

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Solution

The fourth proportional to 23,472.63, 32,381.39 and 20,786.60 is: 28,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,472.63 : 32,381.39 = 20,786.60 : x
  2. Step 2: Convert to fraction form
    23,472.63/32,381.39 = 20,786.60/x
  3. Step 3: Cross multiply
    23,472.63x = 32,381.39 × 20,786.60
  4. Step 4: Simplify right side
    23,472.63x = 673,098,735.53
  5. Step 5: Solve for x
    x = 673,098,735.53/23,472.63
  6. Step 6: Final answer
    x = 28,675.90

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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.