Home / 23,141.10-31,934.19-13,072.80

Finding the Fourth Proportional to 23,141.10, 31,934.19 and 13,072.80

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Solution

The fourth proportional to 23,141.10, 31,934.19 and 13,072.80 is: 18,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.10 : 31,934.19 = 13,072.80 : x
  2. Step 2: Convert to fraction form
    23,141.10/31,934.19 = 13,072.80/x
  3. Step 3: Cross multiply
    23,141.10x = 31,934.19 × 13,072.80
  4. Step 4: Simplify right side
    23,141.10x = 417,469,279.03
  5. Step 5: Solve for x
    x = 417,469,279.03/23,141.10
  6. Step 6: Final answer
    x = 18,040.17

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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.