Home / 14,512.44-20,020.14-8,913.72

Finding the Fourth Proportional to 14,512.44, 20,020.14 and 8,913.72

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Solution

The fourth proportional to 14,512.44, 20,020.14 and 8,913.72 is: 12,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.44 : 20,020.14 = 8,913.72 : x
  2. Step 2: Convert to fraction form
    14,512.44/20,020.14 = 8,913.72/x
  3. Step 3: Cross multiply
    14,512.44x = 20,020.14 × 8,913.72
  4. Step 4: Simplify right side
    14,512.44x = 178,453,922.32
  5. Step 5: Solve for x
    x = 178,453,922.32/14,512.44
  6. Step 6: Final answer
    x = 12,296.62

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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.