Home / 21,550.88-29,740.36-12,596.60

Finding the Fourth Proportional to 21,550.88, 29,740.36 and 12,596.60

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Solution

The fourth proportional to 21,550.88, 29,740.36 and 12,596.60 is: 17,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.88 : 29,740.36 = 12,596.60 : x
  2. Step 2: Convert to fraction form
    21,550.88/29,740.36 = 12,596.60/x
  3. Step 3: Cross multiply
    21,550.88x = 29,740.36 × 12,596.60
  4. Step 4: Simplify right side
    21,550.88x = 374,627,270.07
  5. Step 5: Solve for x
    x = 374,627,270.07/21,550.88
  6. Step 6: Final answer
    x = 17,383.39

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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.