Home / 16,977.43-25,466.32-5,131.30

Finding the Fourth Proportional to 16,977.43, 25,466.32 and 5,131.30

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Solution

The fourth proportional to 16,977.43, 25,466.32 and 5,131.30 is: 7,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.43 : 25,466.32 = 5,131.30 : x
  2. Step 2: Convert to fraction form
    16,977.43/25,466.32 = 5,131.30/x
  3. Step 3: Cross multiply
    16,977.43x = 25,466.32 × 5,131.30
  4. Step 4: Simplify right side
    16,977.43x = 130,675,311.10
  5. Step 5: Solve for x
    x = 130,675,311.10/16,977.43
  6. Step 6: Final answer
    x = 7,697.00

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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.