Home / 20,203.97-27,883.01-11,708.39

Finding the Fourth Proportional to 20,203.97, 27,883.01 and 11,708.39

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Solution

The fourth proportional to 20,203.97, 27,883.01 and 11,708.39 is: 16,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.97 : 27,883.01 = 11,708.39 : x
  2. Step 2: Convert to fraction form
    20,203.97/27,883.01 = 11,708.39/x
  3. Step 3: Cross multiply
    20,203.97x = 27,883.01 × 11,708.39
  4. Step 4: Simplify right side
    20,203.97x = 326,465,254.43
  5. Step 5: Solve for x
    x = 326,465,254.43/20,203.97
  6. Step 6: Final answer
    x = 16,158.47

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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.