Home / 21,766.23-32,648.40-6,975.90

Finding the Fourth Proportional to 21,766.23, 32,648.40 and 6,975.90

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Solution

The fourth proportional to 21,766.23, 32,648.40 and 6,975.90 is: 10,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.23 : 32,648.40 = 6,975.90 : x
  2. Step 2: Convert to fraction form
    21,766.23/32,648.40 = 6,975.90/x
  3. Step 3: Cross multiply
    21,766.23x = 32,648.40 × 6,975.90
  4. Step 4: Simplify right side
    21,766.23x = 227,751,973.56
  5. Step 5: Solve for x
    x = 227,751,973.56/21,766.23
  6. Step 6: Final answer
    x = 10,463.55

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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.