Home / 14,620.83-20,185.97-10,143.02

Finding the Fourth Proportional to 14,620.83, 20,185.97 and 10,143.02

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Solution

The fourth proportional to 14,620.83, 20,185.97 and 10,143.02 is: 14,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.83 : 20,185.97 = 10,143.02 : x
  2. Step 2: Convert to fraction form
    14,620.83/20,185.97 = 10,143.02/x
  3. Step 3: Cross multiply
    14,620.83x = 20,185.97 × 10,143.02
  4. Step 4: Simplify right side
    14,620.83x = 204,746,697.43
  5. Step 5: Solve for x
    x = 204,746,697.43/14,620.83
  6. Step 6: Final answer
    x = 14,003.77

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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.