Home / 14,635.10-20,195.16-8,665.70

Finding the Fourth Proportional to 14,635.10, 20,195.16 and 8,665.70

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Solution

The fourth proportional to 14,635.10, 20,195.16 and 8,665.70 is: 11,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.10 : 20,195.16 = 8,665.70 : x
  2. Step 2: Convert to fraction form
    14,635.10/20,195.16 = 8,665.70/x
  3. Step 3: Cross multiply
    14,635.10x = 20,195.16 × 8,665.70
  4. Step 4: Simplify right side
    14,635.10x = 175,005,198.01
  5. Step 5: Solve for x
    x = 175,005,198.01/14,635.10
  6. Step 6: Final answer
    x = 11,957.91

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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.