Home / 20,597.60-30,888.84-6,743.36

Finding the Fourth Proportional to 20,597.60, 30,888.84 and 6,743.36

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Solution

The fourth proportional to 20,597.60, 30,888.84 and 6,743.36 is: 10,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.60 : 30,888.84 = 6,743.36 : x
  2. Step 2: Convert to fraction form
    20,597.60/30,888.84 = 6,743.36/x
  3. Step 3: Cross multiply
    20,597.60x = 30,888.84 × 6,743.36
  4. Step 4: Simplify right side
    20,597.60x = 208,294,568.10
  5. Step 5: Solve for x
    x = 208,294,568.10/20,597.60
  6. Step 6: Final answer
    x = 10,112.56

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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.