Home / 23,076.20-31,824.02-15,122.81

Finding the Fourth Proportional to 23,076.20, 31,824.02 and 15,122.81

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Solution

The fourth proportional to 23,076.20, 31,824.02 and 15,122.81 is: 20,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,076.20 : 31,824.02 = 15,122.81 : x
  2. Step 2: Convert to fraction form
    23,076.20/31,824.02 = 15,122.81/x
  3. Step 3: Cross multiply
    23,076.20x = 31,824.02 × 15,122.81
  4. Step 4: Simplify right side
    23,076.20x = 481,268,738.12
  5. Step 5: Solve for x
    x = 481,268,738.12/23,076.20
  6. Step 6: Final answer
    x = 20,855.63

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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.