Home / 15,644.34-21,584.88-9,676.26

Finding the Fourth Proportional to 15,644.34, 21,584.88 and 9,676.26

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Solution

The fourth proportional to 15,644.34, 21,584.88 and 9,676.26 is: 13,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.34 : 21,584.88 = 9,676.26 : x
  2. Step 2: Convert to fraction form
    15,644.34/21,584.88 = 9,676.26/x
  3. Step 3: Cross multiply
    15,644.34x = 21,584.88 × 9,676.26
  4. Step 4: Simplify right side
    15,644.34x = 208,860,910.95
  5. Step 5: Solve for x
    x = 208,860,910.95/15,644.34
  6. Step 6: Final answer
    x = 13,350.57

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1.5x scale

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.