Home / 14,375.07-19,836.56-8,087.31

Finding the Fourth Proportional to 14,375.07, 19,836.56 and 8,087.31

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Solution

The fourth proportional to 14,375.07, 19,836.56 and 8,087.31 is: 11,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.07 : 19,836.56 = 8,087.31 : x
  2. Step 2: Convert to fraction form
    14,375.07/19,836.56 = 8,087.31/x
  3. Step 3: Cross multiply
    14,375.07x = 19,836.56 × 8,087.31
  4. Step 4: Simplify right side
    14,375.07x = 160,424,369.62
  5. Step 5: Solve for x
    x = 160,424,369.62/14,375.07
  6. Step 6: Final answer
    x = 11,159.90

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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.