Home / 14,623.12-20,186.58-11,998.72

Finding the Fourth Proportional to 14,623.12, 20,186.58 and 11,998.72

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Solution

The fourth proportional to 14,623.12, 20,186.58 and 11,998.72 is: 16,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.12 : 20,186.58 = 11,998.72 : x
  2. Step 2: Convert to fraction form
    14,623.12/20,186.58 = 11,998.72/x
  3. Step 3: Cross multiply
    14,623.12x = 20,186.58 × 11,998.72
  4. Step 4: Simplify right side
    14,623.12x = 242,213,121.18
  5. Step 5: Solve for x
    x = 242,213,121.18/14,623.12
  6. Step 6: Final answer
    x = 16,563.71

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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.