Home / 19,419.44-26,796.64-10,921.37

Finding the Fourth Proportional to 19,419.44, 26,796.64 and 10,921.37

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Solution

The fourth proportional to 19,419.44, 26,796.64 and 10,921.37 is: 15,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.44 : 26,796.64 = 10,921.37 : x
  2. Step 2: Convert to fraction form
    19,419.44/26,796.64 = 10,921.37/x
  3. Step 3: Cross multiply
    19,419.44x = 26,796.64 × 10,921.37
  4. Step 4: Simplify right side
    19,419.44x = 292,656,030.12
  5. Step 5: Solve for x
    x = 292,656,030.12/19,419.44
  6. Step 6: Final answer
    x = 15,070.26

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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.