Home / 25,672.76-38,470.26-19,068.20

Finding the Fourth Proportional to 25,672.76, 38,470.26 and 19,068.20

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Solution

The fourth proportional to 25,672.76, 38,470.26 and 19,068.20 is: 28,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.76 : 38,470.26 = 19,068.20 : x
  2. Step 2: Convert to fraction form
    25,672.76/38,470.26 = 19,068.20/x
  3. Step 3: Cross multiply
    25,672.76x = 38,470.26 × 19,068.20
  4. Step 4: Simplify right side
    25,672.76x = 733,558,611.73
  5. Step 5: Solve for x
    x = 733,558,611.73/25,672.76
  6. Step 6: Final answer
    x = 28,573.42

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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.