Home / 15,745.11-23,610.60-4,647.90

Finding the Fourth Proportional to 15,745.11, 23,610.60 and 4,647.90

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Solution

The fourth proportional to 15,745.11, 23,610.60 and 4,647.90 is: 6,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745.11 : 23,610.60 = 4,647.90 : x
  2. Step 2: Convert to fraction form
    15,745.11/23,610.60 = 4,647.90/x
  3. Step 3: Cross multiply
    15,745.11x = 23,610.60 × 4,647.90
  4. Step 4: Simplify right side
    15,745.11x = 109,739,707.74
  5. Step 5: Solve for x
    x = 109,739,707.74/15,745.11
  6. Step 6: Final answer
    x = 6,969.76

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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.