Home / 20,013.35-27,597.65-17,190

Finding the Fourth Proportional to 20,013.35, 27,597.65 and 17,190

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Solution

The fourth proportional to 20,013.35, 27,597.65 and 17,190 is: 23,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.35 : 27,597.65 = 17,190 : x
  2. Step 2: Convert to fraction form
    20,013.35/27,597.65 = 17,190/x
  3. Step 3: Cross multiply
    20,013.35x = 27,597.65 × 17,190
  4. Step 4: Simplify right side
    20,013.35x = 474,403,517.55
  5. Step 5: Solve for x
    x = 474,403,517.55/20,013.35
  6. Step 6: Final answer
    x = 23,704.36

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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.