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Finding the Fourth Proportional to 16,635.43, 24,894.78 and 12,913.93

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Solution

The fourth proportional to 16,635.43, 24,894.78 and 12,913.93 is: 19,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,635.43 : 24,894.78 = 12,913.93 : x
  2. Step 2: Convert to fraction form
    16,635.43/24,894.78 = 12,913.93/x
  3. Step 3: Cross multiply
    16,635.43x = 24,894.78 × 12,913.93
  4. Step 4: Simplify right side
    16,635.43x = 321,489,446.29
  5. Step 5: Solve for x
    x = 321,489,446.29/16,635.43
  6. Step 6: Final answer
    x = 19,325.59

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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.