Home / 19,751.89-27,258.05-11,792.64

Finding the Fourth Proportional to 19,751.89, 27,258.05 and 11,792.64

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Solution

The fourth proportional to 19,751.89, 27,258.05 and 11,792.64 is: 16,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,751.89 : 27,258.05 = 11,792.64 : x
  2. Step 2: Convert to fraction form
    19,751.89/27,258.05 = 11,792.64/x
  3. Step 3: Cross multiply
    19,751.89x = 27,258.05 × 11,792.64
  4. Step 4: Simplify right side
    19,751.89x = 321,444,370.75
  5. Step 5: Solve for x
    x = 321,444,370.75/19,751.89
  6. Step 6: Final answer
    x = 16,274.11

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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.