Home / 20,102.35-27,742.50-11,606.03

Finding the Fourth Proportional to 20,102.35, 27,742.50 and 11,606.03

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Solution

The fourth proportional to 20,102.35, 27,742.50 and 11,606.03 is: 16,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102.35 : 27,742.50 = 11,606.03 : x
  2. Step 2: Convert to fraction form
    20,102.35/27,742.50 = 11,606.03/x
  3. Step 3: Cross multiply
    20,102.35x = 27,742.50 × 11,606.03
  4. Step 4: Simplify right side
    20,102.35x = 321,980,141.93
  5. Step 5: Solve for x
    x = 321,980,141.93/20,102.35
  6. Step 6: Final answer
    x = 16,017.04

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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.