Home / 21,750.12-32,618.16-6,163.56

Finding the Fourth Proportional to 21,750.12, 32,618.16 and 6,163.56

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Solution

The fourth proportional to 21,750.12, 32,618.16 and 6,163.56 is: 9,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.12 : 32,618.16 = 6,163.56 : x
  2. Step 2: Convert to fraction form
    21,750.12/32,618.16 = 6,163.56/x
  3. Step 3: Cross multiply
    21,750.12x = 32,618.16 × 6,163.56
  4. Step 4: Simplify right side
    21,750.12x = 201,043,986.25
  5. Step 5: Solve for x
    x = 201,043,986.25/21,750.12
  6. Step 6: Final answer
    x = 9,243.35

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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.