Home / 19,176.78-26,455.42-11,215.48

Finding the Fourth Proportional to 19,176.78, 26,455.42 and 11,215.48

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Solution

The fourth proportional to 19,176.78, 26,455.42 and 11,215.48 is: 15,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.78 : 26,455.42 = 11,215.48 : x
  2. Step 2: Convert to fraction form
    19,176.78/26,455.42 = 11,215.48/x
  3. Step 3: Cross multiply
    19,176.78x = 26,455.42 × 11,215.48
  4. Step 4: Simplify right side
    19,176.78x = 296,710,233.90
  5. Step 5: Solve for x
    x = 296,710,233.90/19,176.78
  6. Step 6: Final answer
    x = 15,472.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.