Home / 19,985.88-27,579.79-11,033.19

Finding the Fourth Proportional to 19,985.88, 27,579.79 and 11,033.19

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Solution

The fourth proportional to 19,985.88, 27,579.79 and 11,033.19 is: 15,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.88 : 27,579.79 = 11,033.19 : x
  2. Step 2: Convert to fraction form
    19,985.88/27,579.79 = 11,033.19/x
  3. Step 3: Cross multiply
    19,985.88x = 27,579.79 × 11,033.19
  4. Step 4: Simplify right side
    19,985.88x = 304,293,063.23
  5. Step 5: Solve for x
    x = 304,293,063.23/19,985.88
  6. Step 6: Final answer
    x = 15,225.40

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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.