Home / 19,156.43-28,748.66-9,804.31

Finding the Fourth Proportional to 19,156.43, 28,748.66 and 9,804.31

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Solution

The fourth proportional to 19,156.43, 28,748.66 and 9,804.31 is: 14,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.43 : 28,748.66 = 9,804.31 : x
  2. Step 2: Convert to fraction form
    19,156.43/28,748.66 = 9,804.31/x
  3. Step 3: Cross multiply
    19,156.43x = 28,748.66 × 9,804.31
  4. Step 4: Simplify right side
    19,156.43x = 281,860,653.83
  5. Step 5: Solve for x
    x = 281,860,653.83/19,156.43
  6. Step 6: Final answer
    x = 14,713.63

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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.