Home / 22,255.16-30,679.66-16,940.75

Finding the Fourth Proportional to 22,255.16, 30,679.66 and 16,940.75

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Solution

The fourth proportional to 22,255.16, 30,679.66 and 16,940.75 is: 23,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.16 : 30,679.66 = 16,940.75 : x
  2. Step 2: Convert to fraction form
    22,255.16/30,679.66 = 16,940.75/x
  3. Step 3: Cross multiply
    22,255.16x = 30,679.66 × 16,940.75
  4. Step 4: Simplify right side
    22,255.16x = 519,736,317.92
  5. Step 5: Solve for x
    x = 519,736,317.92/22,255.16
  6. Step 6: Final answer
    x = 23,353.52

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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.