Home / 22,329.76-30,825.12-16,361.68

Finding the Fourth Proportional to 22,329.76, 30,825.12 and 16,361.68

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Solution

The fourth proportional to 22,329.76, 30,825.12 and 16,361.68 is: 22,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.76 : 30,825.12 = 16,361.68 : x
  2. Step 2: Convert to fraction form
    22,329.76/30,825.12 = 16,361.68/x
  3. Step 3: Cross multiply
    22,329.76x = 30,825.12 × 16,361.68
  4. Step 4: Simplify right side
    22,329.76x = 504,350,749.40
  5. Step 5: Solve for x
    x = 504,350,749.40/22,329.76
  6. Step 6: Final answer
    x = 22,586.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.