Home / 25,475.44-38,162.04-12,161.32

Finding the Fourth Proportional to 25,475.44, 38,162.04 and 12,161.32

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Solution

The fourth proportional to 25,475.44, 38,162.04 and 12,161.32 is: 18,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.44 : 38,162.04 = 12,161.32 : x
  2. Step 2: Convert to fraction form
    25,475.44/38,162.04 = 12,161.32/x
  3. Step 3: Cross multiply
    25,475.44x = 38,162.04 × 12,161.32
  4. Step 4: Simplify right side
    25,475.44x = 464,100,780.29
  5. Step 5: Solve for x
    x = 464,100,780.29/25,475.44
  6. Step 6: Final answer
    x = 18,217.58

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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.