Home / 19,775.16-29,656.62-5,736.22

Finding the Fourth Proportional to 19,775.16, 29,656.62 and 5,736.22

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Solution

The fourth proportional to 19,775.16, 29,656.62 and 5,736.22 is: 8,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.16 : 29,656.62 = 5,736.22 : x
  2. Step 2: Convert to fraction form
    19,775.16/29,656.62 = 5,736.22/x
  3. Step 3: Cross multiply
    19,775.16x = 29,656.62 × 5,736.22
  4. Step 4: Simplify right side
    19,775.16x = 170,116,896.78
  5. Step 5: Solve for x
    x = 170,116,896.78/19,775.16
  6. Step 6: Final answer
    x = 8,602.56

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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.