Home / 25,375.14-35,051.16-19,479.66

Finding the Fourth Proportional to 25,375.14, 35,051.16 and 19,479.66

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Solution

The fourth proportional to 25,375.14, 35,051.16 and 19,479.66 is: 26,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.14 : 35,051.16 = 19,479.66 : x
  2. Step 2: Convert to fraction form
    25,375.14/35,051.16 = 19,479.66/x
  3. Step 3: Cross multiply
    25,375.14x = 35,051.16 × 19,479.66
  4. Step 4: Simplify right side
    25,375.14x = 682,784,679.41
  5. Step 5: Solve for x
    x = 682,784,679.41/25,375.14
  6. Step 6: Final answer
    x = 26,907.62

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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.