Home / 16,956.52-25,439.40-8,191.44

Finding the Fourth Proportional to 16,956.52, 25,439.40 and 8,191.44

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Solution

The fourth proportional to 16,956.52, 25,439.40 and 8,191.44 is: 12,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.52 : 25,439.40 = 8,191.44 : x
  2. Step 2: Convert to fraction form
    16,956.52/25,439.40 = 8,191.44/x
  3. Step 3: Cross multiply
    16,956.52x = 25,439.40 × 8,191.44
  4. Step 4: Simplify right side
    16,956.52x = 208,385,318.74
  5. Step 5: Solve for x
    x = 208,385,318.74/16,956.52
  6. Step 6: Final answer
    x = 12,289.39

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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.