Home / 14,634.10-20,193.78-8,664.70

Finding the Fourth Proportional to 14,634.10, 20,193.78 and 8,664.70

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Solution

The fourth proportional to 14,634.10, 20,193.78 and 8,664.70 is: 11,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.10 : 20,193.78 = 8,664.70 : x
  2. Step 2: Convert to fraction form
    14,634.10/20,193.78 = 8,664.70/x
  3. Step 3: Cross multiply
    14,634.10x = 20,193.78 × 8,664.70
  4. Step 4: Simplify right side
    14,634.10x = 174,973,045.57
  5. Step 5: Solve for x
    x = 174,973,045.57/14,634.10
  6. Step 6: Final answer
    x = 11,956.53

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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.