Home / 19,677.26-27,153.82-10,724.57

Finding the Fourth Proportional to 19,677.26, 27,153.82 and 10,724.57

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Solution

The fourth proportional to 19,677.26, 27,153.82 and 10,724.57 is: 14,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.26 : 27,153.82 = 10,724.57 : x
  2. Step 2: Convert to fraction form
    19,677.26/27,153.82 = 10,724.57/x
  3. Step 3: Cross multiply
    19,677.26x = 27,153.82 × 10,724.57
  4. Step 4: Simplify right side
    19,677.26x = 291,213,043.36
  5. Step 5: Solve for x
    x = 291,213,043.36/19,677.26
  6. Step 6: Final answer
    x = 14,799.47

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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.