Home / 19,633.92-27,087.39-12,548.04

Finding the Fourth Proportional to 19,633.92, 27,087.39 and 12,548.04

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Solution

The fourth proportional to 19,633.92, 27,087.39 and 12,548.04 is: 17,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.92 : 27,087.39 = 12,548.04 : x
  2. Step 2: Convert to fraction form
    19,633.92/27,087.39 = 12,548.04/x
  3. Step 3: Cross multiply
    19,633.92x = 27,087.39 × 12,548.04
  4. Step 4: Simplify right side
    19,633.92x = 339,893,653.22
  5. Step 5: Solve for x
    x = 339,893,653.22/19,633.92
  6. Step 6: Final answer
    x = 17,311.55

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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.