Home / 20,096.06-27,732.41-11,143.59

Finding the Fourth Proportional to 20,096.06, 27,732.41 and 11,143.59

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Solution

The fourth proportional to 20,096.06, 27,732.41 and 11,143.59 is: 15,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.06 : 27,732.41 = 11,143.59 : x
  2. Step 2: Convert to fraction form
    20,096.06/27,732.41 = 11,143.59/x
  3. Step 3: Cross multiply
    20,096.06x = 27,732.41 × 11,143.59
  4. Step 4: Simplify right side
    20,096.06x = 309,038,412.37
  5. Step 5: Solve for x
    x = 309,038,412.37/20,096.06
  6. Step 6: Final answer
    x = 15,378.06

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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.