Home / 23,731.94-32,749.26-13,121.48

Finding the Fourth Proportional to 23,731.94, 32,749.26 and 13,121.48

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Solution

The fourth proportional to 23,731.94, 32,749.26 and 13,121.48 is: 18,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.94 : 32,749.26 = 13,121.48 : x
  2. Step 2: Convert to fraction form
    23,731.94/32,749.26 = 13,121.48/x
  3. Step 3: Cross multiply
    23,731.94x = 32,749.26 × 13,121.48
  4. Step 4: Simplify right side
    23,731.94x = 429,718,760.10
  5. Step 5: Solve for x
    x = 429,718,760.10/23,731.94
  6. Step 6: Final answer
    x = 18,107.19

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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.