Home / 19,830.14-29,736.75-10,464.26

Finding the Fourth Proportional to 19,830.14, 29,736.75 and 10,464.26

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Solution

The fourth proportional to 19,830.14, 29,736.75 and 10,464.26 is: 15,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.14 : 29,736.75 = 10,464.26 : x
  2. Step 2: Convert to fraction form
    19,830.14/29,736.75 = 10,464.26/x
  3. Step 3: Cross multiply
    19,830.14x = 29,736.75 × 10,464.26
  4. Step 4: Simplify right side
    19,830.14x = 311,173,083.56
  5. Step 5: Solve for x
    x = 311,173,083.56/19,830.14
  6. Step 6: Final answer
    x = 15,691.93

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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.