Home / 20,062.90-30,077.93-7,575.84

Finding the Fourth Proportional to 20,062.90, 30,077.93 and 7,575.84

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Solution

The fourth proportional to 20,062.90, 30,077.93 and 7,575.84 is: 11,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.90 : 30,077.93 = 7,575.84 : x
  2. Step 2: Convert to fraction form
    20,062.90/30,077.93 = 7,575.84/x
  3. Step 3: Cross multiply
    20,062.90x = 30,077.93 × 7,575.84
  4. Step 4: Simplify right side
    20,062.90x = 227,865,604.15
  5. Step 5: Solve for x
    x = 227,865,604.15/20,062.90
  6. Step 6: Final answer
    x = 11,357.56

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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.