Home / 21,098.04-29,115.90-11,667.48

Finding the Fourth Proportional to 21,098.04, 29,115.90 and 11,667.48

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Solution

The fourth proportional to 21,098.04, 29,115.90 and 11,667.48 is: 16,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098.04 : 29,115.90 = 11,667.48 : x
  2. Step 2: Convert to fraction form
    21,098.04/29,115.90 = 11,667.48/x
  3. Step 3: Cross multiply
    21,098.04x = 29,115.90 × 11,667.48
  4. Step 4: Simplify right side
    21,098.04x = 339,709,180.93
  5. Step 5: Solve for x
    x = 339,709,180.93/21,098.04
  6. Step 6: Final answer
    x = 16,101.46

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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.