Home / 19,900.75-27,463.04-11,517.25

Finding the Fourth Proportional to 19,900.75, 27,463.04 and 11,517.25

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Solution

The fourth proportional to 19,900.75, 27,463.04 and 11,517.25 is: 15,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.75 : 27,463.04 = 11,517.25 : x
  2. Step 2: Convert to fraction form
    19,900.75/27,463.04 = 11,517.25/x
  3. Step 3: Cross multiply
    19,900.75x = 27,463.04 × 11,517.25
  4. Step 4: Simplify right side
    19,900.75x = 316,298,697.44
  5. Step 5: Solve for x
    x = 316,298,697.44/19,900.75
  6. Step 6: Final answer
    x = 15,893.81

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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.