Home / 22,168.07-30,603.21-17,120.96

Finding the Fourth Proportional to 22,168.07, 30,603.21 and 17,120.96

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Solution

The fourth proportional to 22,168.07, 30,603.21 and 17,120.96 is: 23,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.07 : 30,603.21 = 17,120.96 : x
  2. Step 2: Convert to fraction form
    22,168.07/30,603.21 = 17,120.96/x
  3. Step 3: Cross multiply
    22,168.07x = 30,603.21 × 17,120.96
  4. Step 4: Simplify right side
    22,168.07x = 523,956,334.28
  5. Step 5: Solve for x
    x = 523,956,334.28/22,168.07
  6. Step 6: Final answer
    x = 23,635.63

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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.