Home / 31,623.14-43,644.30-18,194.16

Finding the Fourth Proportional to 31,623.14, 43,644.30 and 18,194.16

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Solution

The fourth proportional to 31,623.14, 43,644.30 and 18,194.16 is: 25,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.14 : 43,644.30 = 18,194.16 : x
  2. Step 2: Convert to fraction form
    31,623.14/43,644.30 = 18,194.16/x
  3. Step 3: Cross multiply
    31,623.14x = 43,644.30 × 18,194.16
  4. Step 4: Simplify right side
    31,623.14x = 794,071,377.29
  5. Step 5: Solve for x
    x = 794,071,377.29/31,623.14
  6. Step 6: Final answer
    x = 25,110.45

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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.