Home / 18,654.75-25,743.56-10,696.64

Finding the Fourth Proportional to 18,654.75, 25,743.56 and 10,696.64

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Solution

The fourth proportional to 18,654.75, 25,743.56 and 10,696.64 is: 14,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.75 : 25,743.56 = 10,696.64 : x
  2. Step 2: Convert to fraction form
    18,654.75/25,743.56 = 10,696.64/x
  3. Step 3: Cross multiply
    18,654.75x = 25,743.56 × 10,696.64
  4. Step 4: Simplify right side
    18,654.75x = 275,369,411.44
  5. Step 5: Solve for x
    x = 275,369,411.44/18,654.75
  6. Step 6: Final answer
    x = 14,761.36

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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.