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Finding the Fourth Proportional to 18,256.52, 25,193.98 and 9,873

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Solution

The fourth proportional to 18,256.52, 25,193.98 and 9,873 is: 13,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.52 : 25,193.98 = 9,873 : x
  2. Step 2: Convert to fraction form
    18,256.52/25,193.98 = 9,873/x
  3. Step 3: Cross multiply
    18,256.52x = 25,193.98 × 9,873
  4. Step 4: Simplify right side
    18,256.52x = 248,740,164.54
  5. Step 5: Solve for x
    x = 248,740,164.54/18,256.52
  6. Step 6: Final answer
    x = 13,624.73

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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.