Home / 19,736.65-27,254.77-12,675.37

Finding the Fourth Proportional to 19,736.65, 27,254.77 and 12,675.37

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Solution

The fourth proportional to 19,736.65, 27,254.77 and 12,675.37 is: 17,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.65 : 27,254.77 = 12,675.37 : x
  2. Step 2: Convert to fraction form
    19,736.65/27,254.77 = 12,675.37/x
  3. Step 3: Cross multiply
    19,736.65x = 27,254.77 × 12,675.37
  4. Step 4: Simplify right side
    19,736.65x = 345,464,323.73
  5. Step 5: Solve for x
    x = 345,464,323.73/19,736.65
  6. Step 6: Final answer
    x = 17,503.70

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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.