Home / 21,441.75-29,593.20-12,494.49

Finding the Fourth Proportional to 21,441.75, 29,593.20 and 12,494.49

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Solution

The fourth proportional to 21,441.75, 29,593.20 and 12,494.49 is: 17,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.75 : 29,593.20 = 12,494.49 : x
  2. Step 2: Convert to fraction form
    21,441.75/29,593.20 = 12,494.49/x
  3. Step 3: Cross multiply
    21,441.75x = 29,593.20 × 12,494.49
  4. Step 4: Simplify right side
    21,441.75x = 369,751,941.47
  5. Step 5: Solve for x
    x = 369,751,941.47/21,441.75
  6. Step 6: Final answer
    x = 17,244.49

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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.