Home / 22,120.94-30,505.74-17,076.80

Finding the Fourth Proportional to 22,120.94, 30,505.74 and 17,076.80

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Solution

The fourth proportional to 22,120.94, 30,505.74 and 17,076.80 is: 23,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.94 : 30,505.74 = 17,076.80 : x
  2. Step 2: Convert to fraction form
    22,120.94/30,505.74 = 17,076.80/x
  3. Step 3: Cross multiply
    22,120.94x = 30,505.74 × 17,076.80
  4. Step 4: Simplify right side
    22,120.94x = 520,940,420.83
  5. Step 5: Solve for x
    x = 520,940,420.83/22,120.94
  6. Step 6: Final answer
    x = 23,549.65

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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.