Home / 16,959.45-25,433.10-8,636.70

Finding the Fourth Proportional to 16,959.45, 25,433.10 and 8,636.70

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Solution

The fourth proportional to 16,959.45, 25,433.10 and 8,636.70 is: 12,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.45 : 25,433.10 = 8,636.70 : x
  2. Step 2: Convert to fraction form
    16,959.45/25,433.10 = 8,636.70/x
  3. Step 3: Cross multiply
    16,959.45x = 25,433.10 × 8,636.70
  4. Step 4: Simplify right side
    16,959.45x = 219,658,054.77
  5. Step 5: Solve for x
    x = 219,658,054.77/16,959.45
  6. Step 6: Final answer
    x = 12,951.96

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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.