Home / 17,971.05-26,923.71-13,028.43

Finding the Fourth Proportional to 17,971.05, 26,923.71 and 13,028.43

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Solution

The fourth proportional to 17,971.05, 26,923.71 and 13,028.43 is: 19,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.05 : 26,923.71 = 13,028.43 : x
  2. Step 2: Convert to fraction form
    17,971.05/26,923.71 = 13,028.43/x
  3. Step 3: Cross multiply
    17,971.05x = 26,923.71 × 13,028.43
  4. Step 4: Simplify right side
    17,971.05x = 350,773,671.08
  5. Step 5: Solve for x
    x = 350,773,671.08/17,971.05
  6. Step 6: Final answer
    x = 19,518.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.