Home / 21,537.35-32,286.56-7,683.11

Finding the Fourth Proportional to 21,537.35, 32,286.56 and 7,683.11

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Solution

The fourth proportional to 21,537.35, 32,286.56 and 7,683.11 is: 11,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.35 : 32,286.56 = 7,683.11 : x
  2. Step 2: Convert to fraction form
    21,537.35/32,286.56 = 7,683.11/x
  3. Step 3: Cross multiply
    21,537.35x = 32,286.56 × 7,683.11
  4. Step 4: Simplify right side
    21,537.35x = 248,060,992.15
  5. Step 5: Solve for x
    x = 248,060,992.15/21,537.35
  6. Step 6: Final answer
    x = 11,517.71

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1.5x scale

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.