Home / 32,872.56-45,361.68-18,722.64

Finding the Fourth Proportional to 32,872.56, 45,361.68 and 18,722.64

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Solution

The fourth proportional to 32,872.56, 45,361.68 and 18,722.64 is: 25,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.56 : 45,361.68 = 18,722.64 : x
  2. Step 2: Convert to fraction form
    32,872.56/45,361.68 = 18,722.64/x
  3. Step 3: Cross multiply
    32,872.56x = 45,361.68 × 18,722.64
  4. Step 4: Simplify right side
    32,872.56x = 849,290,404.44
  5. Step 5: Solve for x
    x = 849,290,404.44/32,872.56
  6. Step 6: Final answer
    x = 25,835.85

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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.