Home / 15,765.46-23,647.50-3,918.98

Finding the Fourth Proportional to 15,765.46, 23,647.50 and 3,918.98

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Solution

The fourth proportional to 15,765.46, 23,647.50 and 3,918.98 is: 5,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.46 : 23,647.50 = 3,918.98 : x
  2. Step 2: Convert to fraction form
    15,765.46/23,647.50 = 3,918.98/x
  3. Step 3: Cross multiply
    15,765.46x = 23,647.50 × 3,918.98
  4. Step 4: Simplify right side
    15,765.46x = 92,674,049.99
  5. Step 5: Solve for x
    x = 92,674,049.99/15,765.46
  6. Step 6: Final answer
    x = 5,878.30

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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.