Home / 19,724.67-27,223.56-11,657.99

Finding the Fourth Proportional to 19,724.67, 27,223.56 and 11,657.99

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Solution

The fourth proportional to 19,724.67, 27,223.56 and 11,657.99 is: 16,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.67 : 27,223.56 = 11,657.99 : x
  2. Step 2: Convert to fraction form
    19,724.67/27,223.56 = 11,657.99/x
  3. Step 3: Cross multiply
    19,724.67x = 27,223.56 × 11,657.99
  4. Step 4: Simplify right side
    19,724.67x = 317,372,058.30
  5. Step 5: Solve for x
    x = 317,372,058.30/19,724.67
  6. Step 6: Final answer
    x = 16,090.11

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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.