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Finding the Fourth Proportional to 18,328.84, 27,494.08 and 13,346.74

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Solution

The fourth proportional to 18,328.84, 27,494.08 and 13,346.74 is: 20,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.84 : 27,494.08 = 13,346.74 : x
  2. Step 2: Convert to fraction form
    18,328.84/27,494.08 = 13,346.74/x
  3. Step 3: Cross multiply
    18,328.84x = 27,494.08 × 13,346.74
  4. Step 4: Simplify right side
    18,328.84x = 366,956,337.30
  5. Step 5: Solve for x
    x = 366,956,337.30/18,328.84
  6. Step 6: Final answer
    x = 20,020.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.