Home / 19,708.12-27,192.36-12,049.44

Finding the Fourth Proportional to 19,708.12, 27,192.36 and 12,049.44

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Solution

The fourth proportional to 19,708.12, 27,192.36 and 12,049.44 is: 16,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.12 : 27,192.36 = 12,049.44 : x
  2. Step 2: Convert to fraction form
    19,708.12/27,192.36 = 12,049.44/x
  3. Step 3: Cross multiply
    19,708.12x = 27,192.36 × 12,049.44
  4. Step 4: Simplify right side
    19,708.12x = 327,652,710.28
  5. Step 5: Solve for x
    x = 327,652,710.28/19,708.12
  6. Step 6: Final answer
    x = 16,625.26

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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.