Home / 19,157.76-28,736.64-6,021.36

Finding the Fourth Proportional to 19,157.76, 28,736.64 and 6,021.36

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Solution

The fourth proportional to 19,157.76, 28,736.64 and 6,021.36 is: 9,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.76 : 28,736.64 = 6,021.36 : x
  2. Step 2: Convert to fraction form
    19,157.76/28,736.64 = 6,021.36/x
  3. Step 3: Cross multiply
    19,157.76x = 28,736.64 × 6,021.36
  4. Step 4: Simplify right side
    19,157.76x = 173,033,654.63
  5. Step 5: Solve for x
    x = 173,033,654.63/19,157.76
  6. Step 6: Final answer
    x = 9,032.04

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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.