Home / 18,954.41-26,148.63-10,992.02

Finding the Fourth Proportional to 18,954.41, 26,148.63 and 10,992.02

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Solution

The fourth proportional to 18,954.41, 26,148.63 and 10,992.02 is: 15,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.41 : 26,148.63 = 10,992.02 : x
  2. Step 2: Convert to fraction form
    18,954.41/26,148.63 = 10,992.02/x
  3. Step 3: Cross multiply
    18,954.41x = 26,148.63 × 10,992.02
  4. Step 4: Simplify right side
    18,954.41x = 287,426,208.97
  5. Step 5: Solve for x
    x = 287,426,208.97/18,954.41
  6. Step 6: Final answer
    x = 15,164.09

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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.