Home / 20,116.06-27,763.50-11,732.56

Finding the Fourth Proportional to 20,116.06, 27,763.50 and 11,732.56

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Solution

The fourth proportional to 20,116.06, 27,763.50 and 11,732.56 is: 16,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.06 : 27,763.50 = 11,732.56 : x
  2. Step 2: Convert to fraction form
    20,116.06/27,763.50 = 11,732.56/x
  3. Step 3: Cross multiply
    20,116.06x = 27,763.50 × 11,732.56
  4. Step 4: Simplify right side
    20,116.06x = 325,736,929.56
  5. Step 5: Solve for x
    x = 325,736,929.56/20,116.06
  6. Step 6: Final answer
    x = 16,192.88

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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.