Home / 21,884.43-30,197.48-12,322.71

Finding the Fourth Proportional to 21,884.43, 30,197.48 and 12,322.71

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Solution

The fourth proportional to 21,884.43, 30,197.48 and 12,322.71 is: 17,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.43 : 30,197.48 = 12,322.71 : x
  2. Step 2: Convert to fraction form
    21,884.43/30,197.48 = 12,322.71/x
  3. Step 3: Cross multiply
    21,884.43x = 30,197.48 × 12,322.71
  4. Step 4: Simplify right side
    21,884.43x = 372,114,727.16
  5. Step 5: Solve for x
    x = 372,114,727.16/21,884.43
  6. Step 6: Final answer
    x = 17,003.63

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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.