Home / 20,635.76-30,955.34-6,597.79

Finding the Fourth Proportional to 20,635.76, 30,955.34 and 6,597.79

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Solution

The fourth proportional to 20,635.76, 30,955.34 and 6,597.79 is: 9,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.76 : 30,955.34 = 6,597.79 : x
  2. Step 2: Convert to fraction form
    20,635.76/30,955.34 = 6,597.79/x
  3. Step 3: Cross multiply
    20,635.76x = 30,955.34 × 6,597.79
  4. Step 4: Simplify right side
    20,635.76x = 204,236,771.80
  5. Step 5: Solve for x
    x = 204,236,771.80/20,635.76
  6. Step 6: Final answer
    x = 9,897.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.