Home / 20,083.84-27,716.64-12,534.64

Finding the Fourth Proportional to 20,083.84, 27,716.64 and 12,534.64

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Solution

The fourth proportional to 20,083.84, 27,716.64 and 12,534.64 is: 17,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.84 : 27,716.64 = 12,534.64 : x
  2. Step 2: Convert to fraction form
    20,083.84/27,716.64 = 12,534.64/x
  3. Step 3: Cross multiply
    20,083.84x = 27,716.64 × 12,534.64
  4. Step 4: Simplify right side
    20,083.84x = 347,418,104.41
  5. Step 5: Solve for x
    x = 347,418,104.41/20,083.84
  6. Step 6: Final answer
    x = 17,298.39

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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.