Home / 17,220.34-25,813.99-5,525.56

Finding the Fourth Proportional to 17,220.34, 25,813.99 and 5,525.56

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Solution

The fourth proportional to 17,220.34, 25,813.99 and 5,525.56 is: 8,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.34 : 25,813.99 = 5,525.56 : x
  2. Step 2: Convert to fraction form
    17,220.34/25,813.99 = 5,525.56/x
  3. Step 3: Cross multiply
    17,220.34x = 25,813.99 × 5,525.56
  4. Step 4: Simplify right side
    17,220.34x = 142,636,750.58
  5. Step 5: Solve for x
    x = 142,636,750.58/17,220.34
  6. Step 6: Final answer
    x = 8,283.04

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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.