Home / 26,482.40-39,724.82-11,691.39

Finding the Fourth Proportional to 26,482.40, 39,724.82 and 11,691.39

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Solution

The fourth proportional to 26,482.40, 39,724.82 and 11,691.39 is: 17,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,482.40 : 39,724.82 = 11,691.39 : x
  2. Step 2: Convert to fraction form
    26,482.40/39,724.82 = 11,691.39/x
  3. Step 3: Cross multiply
    26,482.40x = 39,724.82 × 11,691.39
  4. Step 4: Simplify right side
    26,482.40x = 464,438,304.84
  5. Step 5: Solve for x
    x = 464,438,304.84/26,482.40
  6. Step 6: Final answer
    x = 17,537.62

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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.