Home / 19,540.49-26,975.18-13,091.23

Finding the Fourth Proportional to 19,540.49, 26,975.18 and 13,091.23

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Solution

The fourth proportional to 19,540.49, 26,975.18 and 13,091.23 is: 18,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.49 : 26,975.18 = 13,091.23 : x
  2. Step 2: Convert to fraction form
    19,540.49/26,975.18 = 13,091.23/x
  3. Step 3: Cross multiply
    19,540.49x = 26,975.18 × 13,091.23
  4. Step 4: Simplify right side
    19,540.49x = 353,138,304.51
  5. Step 5: Solve for x
    x = 353,138,304.51/19,540.49
  6. Step 6: Final answer
    x = 18,072.13

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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.