Home / 23,923.38-33,013.71-13,312.79

Finding the Fourth Proportional to 23,923.38, 33,013.71 and 13,312.79

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Solution

The fourth proportional to 23,923.38, 33,013.71 and 13,312.79 is: 18,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,923.38 : 33,013.71 = 13,312.79 : x
  2. Step 2: Convert to fraction form
    23,923.38/33,013.71 = 13,312.79/x
  3. Step 3: Cross multiply
    23,923.38x = 33,013.71 × 13,312.79
  4. Step 4: Simplify right side
    23,923.38x = 439,504,439.25
  5. Step 5: Solve for x
    x = 439,504,439.25/23,923.38
  6. Step 6: Final answer
    x = 18,371.33

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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.