Home / 21,986.96-32,977.25-7,196.46

Finding the Fourth Proportional to 21,986.96, 32,977.25 and 7,196.46

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Solution

The fourth proportional to 21,986.96, 32,977.25 and 7,196.46 is: 10,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986.96 : 32,977.25 = 7,196.46 : x
  2. Step 2: Convert to fraction form
    21,986.96/32,977.25 = 7,196.46/x
  3. Step 3: Cross multiply
    21,986.96x = 32,977.25 × 7,196.46
  4. Step 4: Simplify right side
    21,986.96x = 237,319,424.55
  5. Step 5: Solve for x
    x = 237,319,424.55/21,986.96
  6. Step 6: Final answer
    x = 10,793.65

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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.