Home / 15,974.51-23,961.78-4,286.84

Finding the Fourth Proportional to 15,974.51, 23,961.78 and 4,286.84

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Solution

The fourth proportional to 15,974.51, 23,961.78 and 4,286.84 is: 6,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.51 : 23,961.78 = 4,286.84 : x
  2. Step 2: Convert to fraction form
    15,974.51/23,961.78 = 4,286.84/x
  3. Step 3: Cross multiply
    15,974.51x = 23,961.78 × 4,286.84
  4. Step 4: Simplify right side
    15,974.51x = 102,720,197.17
  5. Step 5: Solve for x
    x = 102,720,197.17/15,974.51
  6. Step 6: Final answer
    x = 6,430.26

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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.