Home / 20,214.56-27,896.37-11,717.29

Finding the Fourth Proportional to 20,214.56, 27,896.37 and 11,717.29

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Solution

The fourth proportional to 20,214.56, 27,896.37 and 11,717.29 is: 16,170.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.56 : 27,896.37 = 11,717.29 : x
  2. Step 2: Convert to fraction form
    20,214.56/27,896.37 = 11,717.29/x
  3. Step 3: Cross multiply
    20,214.56x = 27,896.37 × 11,717.29
  4. Step 4: Simplify right side
    20,214.56x = 326,869,848.17
  5. Step 5: Solve for x
    x = 326,869,848.17/20,214.56
  6. Step 6: Final answer
    x = 16,170.02

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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.