Home / 14,621.06-20,175.84-8,651.69

Finding the Fourth Proportional to 14,621.06, 20,175.84 and 8,651.69

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Solution

The fourth proportional to 14,621.06, 20,175.84 and 8,651.69 is: 11,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.06 : 20,175.84 = 8,651.69 : x
  2. Step 2: Convert to fraction form
    14,621.06/20,175.84 = 8,651.69/x
  3. Step 3: Cross multiply
    14,621.06x = 20,175.84 × 8,651.69
  4. Step 4: Simplify right side
    14,621.06x = 174,555,012.29
  5. Step 5: Solve for x
    x = 174,555,012.29/14,621.06
  6. Step 6: Final answer
    x = 11,938.60

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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.