Home / 16,965.20-25,448.88-5,872.96

Finding the Fourth Proportional to 16,965.20, 25,448.88 and 5,872.96

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Solution

The fourth proportional to 16,965.20, 25,448.88 and 5,872.96 is: 8,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.20 : 25,448.88 = 5,872.96 : x
  2. Step 2: Convert to fraction form
    16,965.20/25,448.88 = 5,872.96/x
  3. Step 3: Cross multiply
    16,965.20x = 25,448.88 × 5,872.96
  4. Step 4: Simplify right side
    16,965.20x = 149,460,254.28
  5. Step 5: Solve for x
    x = 149,460,254.28/16,965.20
  6. Step 6: Final answer
    x = 8,809.81

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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.