Home / 22,315.15-33,451.20-8,271.37

Finding the Fourth Proportional to 22,315.15, 33,451.20 and 8,271.37

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Solution

The fourth proportional to 22,315.15, 33,451.20 and 8,271.37 is: 12,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.15 : 33,451.20 = 8,271.37 : x
  2. Step 2: Convert to fraction form
    22,315.15/33,451.20 = 8,271.37/x
  3. Step 3: Cross multiply
    22,315.15x = 33,451.20 × 8,271.37
  4. Step 4: Simplify right side
    22,315.15x = 276,687,252.14
  5. Step 5: Solve for x
    x = 276,687,252.14/22,315.15
  6. Step 6: Final answer
    x = 12,399.08

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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.