Home / 23,127.27-31,912.22-13,563.54

Finding the Fourth Proportional to 23,127.27, 31,912.22 and 13,563.54

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Solution

The fourth proportional to 23,127.27, 31,912.22 and 13,563.54 is: 18,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.27 : 31,912.22 = 13,563.54 : x
  2. Step 2: Convert to fraction form
    23,127.27/31,912.22 = 13,563.54/x
  3. Step 3: Cross multiply
    23,127.27x = 31,912.22 × 13,563.54
  4. Step 4: Simplify right side
    23,127.27x = 432,842,604.64
  5. Step 5: Solve for x
    x = 432,842,604.64/23,127.27
  6. Step 6: Final answer
    x = 18,715.68

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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.