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Finding the Fourth Proportional to 18,256.61, 25,194.11 and 9,873.11

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Solution

The fourth proportional to 18,256.61, 25,194.11 and 9,873.11 is: 13,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.61 : 25,194.11 = 9,873.11 : x
  2. Step 2: Convert to fraction form
    18,256.61/25,194.11 = 9,873.11/x
  3. Step 3: Cross multiply
    18,256.61x = 25,194.11 × 9,873.11
  4. Step 4: Simplify right side
    18,256.61x = 248,744,044.05
  5. Step 5: Solve for x
    x = 248,744,044.05/18,256.61
  6. Step 6: Final answer
    x = 13,624.88

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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.