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Finding the Fourth Proportional to 18,714.96, 25,824.69 and 10,758.33

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Solution

The fourth proportional to 18,714.96, 25,824.69 and 10,758.33 is: 14,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.96 : 25,824.69 = 10,758.33 : x
  2. Step 2: Convert to fraction form
    18,714.96/25,824.69 = 10,758.33/x
  3. Step 3: Cross multiply
    18,714.96x = 25,824.69 × 10,758.33
  4. Step 4: Simplify right side
    18,714.96x = 277,830,537.17
  5. Step 5: Solve for x
    x = 277,830,537.17/18,714.96
  6. Step 6: Final answer
    x = 14,845.37

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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.