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Finding the Fourth Proportional to 16,548.76, 22,841.04 and 12,956.68

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Solution

The fourth proportional to 16,548.76, 22,841.04 and 12,956.68 is: 17,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,548.76 : 22,841.04 = 12,956.68 : x
  2. Step 2: Convert to fraction form
    16,548.76/22,841.04 = 12,956.68/x
  3. Step 3: Cross multiply
    16,548.76x = 22,841.04 × 12,956.68
  4. Step 4: Simplify right side
    16,548.76x = 295,944,046.15
  5. Step 5: Solve for x
    x = 295,944,046.15/16,548.76
  6. Step 6: Final answer
    x = 17,883.16

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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.