Home / 23,072.43-31,839.29-13,000.68

Finding the Fourth Proportional to 23,072.43, 31,839.29 and 13,000.68

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Solution

The fourth proportional to 23,072.43, 31,839.29 and 13,000.68 is: 17,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,072.43 : 31,839.29 = 13,000.68 : x
  2. Step 2: Convert to fraction form
    23,072.43/31,839.29 = 13,000.68/x
  3. Step 3: Cross multiply
    23,072.43x = 31,839.29 × 13,000.68
  4. Step 4: Simplify right side
    23,072.43x = 413,932,435.31
  5. Step 5: Solve for x
    x = 413,932,435.31/23,072.43
  6. Step 6: Final answer
    x = 17,940.57

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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.