Home / 22,171.28-30,571.56-18,125.48

Finding the Fourth Proportional to 22,171.28, 30,571.56 and 18,125.48

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Solution

The fourth proportional to 22,171.28, 30,571.56 and 18,125.48 is: 24,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.28 : 30,571.56 = 18,125.48 : x
  2. Step 2: Convert to fraction form
    22,171.28/30,571.56 = 18,125.48/x
  3. Step 3: Cross multiply
    22,171.28x = 30,571.56 × 18,125.48
  4. Step 4: Simplify right side
    22,171.28x = 554,124,199.35
  5. Step 5: Solve for x
    x = 554,124,199.35/22,171.28
  6. Step 6: Final answer
    x = 24,992.88

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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.