Home / 19,736.70-27,254.83-12,675.42

Finding the Fourth Proportional to 19,736.70, 27,254.83 and 12,675.42

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Solution

The fourth proportional to 19,736.70, 27,254.83 and 12,675.42 is: 17,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.70 : 27,254.83 = 12,675.42 : x
  2. Step 2: Convert to fraction form
    19,736.70/27,254.83 = 12,675.42/x
  3. Step 3: Cross multiply
    19,736.70x = 27,254.83 × 12,675.42
  4. Step 4: Simplify right side
    19,736.70x = 345,466,409.36
  5. Step 5: Solve for x
    x = 345,466,409.36/19,736.70
  6. Step 6: Final answer
    x = 17,503.76

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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.