Home / 19,696.50-27,180.90-11,739.06

Finding the Fourth Proportional to 19,696.50, 27,180.90 and 11,739.06

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Solution

The fourth proportional to 19,696.50, 27,180.90 and 11,739.06 is: 16,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.50 : 27,180.90 = 11,739.06 : x
  2. Step 2: Convert to fraction form
    19,696.50/27,180.90 = 11,739.06/x
  3. Step 3: Cross multiply
    19,696.50x = 27,180.90 × 11,739.06
  4. Step 4: Simplify right side
    19,696.50x = 319,078,215.95
  5. Step 5: Solve for x
    x = 319,078,215.95/19,696.50
  6. Step 6: Final answer
    x = 16,199.74

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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.