Home / 16,441.64-22,688.30-9,271.80

Finding the Fourth Proportional to 16,441.64, 22,688.30 and 9,271.80

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Solution

The fourth proportional to 16,441.64, 22,688.30 and 9,271.80 is: 12,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,441.64 : 22,688.30 = 9,271.80 : x
  2. Step 2: Convert to fraction form
    16,441.64/22,688.30 = 9,271.80/x
  3. Step 3: Cross multiply
    16,441.64x = 22,688.30 × 9,271.80
  4. Step 4: Simplify right side
    16,441.64x = 210,361,379.94
  5. Step 5: Solve for x
    x = 210,361,379.94/16,441.64
  6. Step 6: Final answer
    x = 12,794.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.