Home / 20,096.43-27,733.02-11,143.70

Finding the Fourth Proportional to 20,096.43, 27,733.02 and 11,143.70

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Solution

The fourth proportional to 20,096.43, 27,733.02 and 11,143.70 is: 15,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.43 : 27,733.02 = 11,143.70 : x
  2. Step 2: Convert to fraction form
    20,096.43/27,733.02 = 11,143.70/x
  3. Step 3: Cross multiply
    20,096.43x = 27,733.02 × 11,143.70
  4. Step 4: Simplify right side
    20,096.43x = 309,048,454.97
  5. Step 5: Solve for x
    x = 309,048,454.97/20,096.43
  6. Step 6: Final answer
    x = 15,378.28

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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.