Home / 13,471.16-20,198.05-6,451.00

Finding the Fourth Proportional to 13,471.16, 20,198.05 and 6,451.00

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Solution

The fourth proportional to 13,471.16, 20,198.05 and 6,451.00 is: 9,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.16 : 20,198.05 = 6,451.00 : x
  2. Step 2: Convert to fraction form
    13,471.16/20,198.05 = 6,451.00/x
  3. Step 3: Cross multiply
    13,471.16x = 20,198.05 × 6,451.00
  4. Step 4: Simplify right side
    13,471.16x = 130,297,686.87
  5. Step 5: Solve for x
    x = 130,297,686.87/13,471.16
  6. Step 6: Final answer
    x = 9,672.34

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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.