Home / 16,821.99-25,235.18-5,725.69

Finding the Fourth Proportional to 16,821.99, 25,235.18 and 5,725.69

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Solution

The fourth proportional to 16,821.99, 25,235.18 and 5,725.69 is: 8,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.99 : 25,235.18 = 5,725.69 : x
  2. Step 2: Convert to fraction form
    16,821.99/25,235.18 = 5,725.69/x
  3. Step 3: Cross multiply
    16,821.99x = 25,235.18 × 5,725.69
  4. Step 4: Simplify right side
    16,821.99x = 144,488,817.77
  5. Step 5: Solve for x
    x = 144,488,817.77/16,821.99
  6. Step 6: Final answer
    x = 8,589.28

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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.