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Finding the Fourth Proportional to 18,596.34, 25,620.14 and 12,848.30

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Solution

The fourth proportional to 18,596.34, 25,620.14 and 12,848.30 is: 17,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.34 : 25,620.14 = 12,848.30 : x
  2. Step 2: Convert to fraction form
    18,596.34/25,620.14 = 12,848.30/x
  3. Step 3: Cross multiply
    18,596.34x = 25,620.14 × 12,848.30
  4. Step 4: Simplify right side
    18,596.34x = 329,175,052.42
  5. Step 5: Solve for x
    x = 329,175,052.42/18,596.34
  6. Step 6: Final answer
    x = 17,701.07

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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.