Home / 15,855.03-23,786.69-4,761.45

Finding the Fourth Proportional to 15,855.03, 23,786.69 and 4,761.45

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Solution

The fourth proportional to 15,855.03, 23,786.69 and 4,761.45 is: 7,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.03 : 23,786.69 = 4,761.45 : x
  2. Step 2: Convert to fraction form
    15,855.03/23,786.69 = 4,761.45/x
  3. Step 3: Cross multiply
    15,855.03x = 23,786.69 × 4,761.45
  4. Step 4: Simplify right side
    15,855.03x = 113,259,111.29
  5. Step 5: Solve for x
    x = 113,259,111.29/15,855.03
  6. Step 6: Final answer
    x = 7,143.42

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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.