Home / 19,135.31-26,398.19-11,174.01

Finding the Fourth Proportional to 19,135.31, 26,398.19 and 11,174.01

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Solution

The fourth proportional to 19,135.31, 26,398.19 and 11,174.01 is: 15,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.31 : 26,398.19 = 11,174.01 : x
  2. Step 2: Convert to fraction form
    19,135.31/26,398.19 = 11,174.01/x
  3. Step 3: Cross multiply
    19,135.31x = 26,398.19 × 11,174.01
  4. Step 4: Simplify right side
    19,135.31x = 294,973,583.17
  5. Step 5: Solve for x
    x = 294,973,583.17/19,135.31
  6. Step 6: Final answer
    x = 15,415.15

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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.