Home / 15,443.44-23,165.14-5,455.57

Finding the Fourth Proportional to 15,443.44, 23,165.14 and 5,455.57

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Solution

The fourth proportional to 15,443.44, 23,165.14 and 5,455.57 is: 8,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.44 : 23,165.14 = 5,455.57 : x
  2. Step 2: Convert to fraction form
    15,443.44/23,165.14 = 5,455.57/x
  3. Step 3: Cross multiply
    15,443.44x = 23,165.14 × 5,455.57
  4. Step 4: Simplify right side
    15,443.44x = 126,379,024.94
  5. Step 5: Solve for x
    x = 126,379,024.94/15,443.44
  6. Step 6: Final answer
    x = 8,183.35

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1.5x scale

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.