Home / 14,992.89-20,686.46-11,006.97

Finding the Fourth Proportional to 14,992.89, 20,686.46 and 11,006.97

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Solution

The fourth proportional to 14,992.89, 20,686.46 and 11,006.97 is: 15,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.89 : 20,686.46 = 11,006.97 : x
  2. Step 2: Convert to fraction form
    14,992.89/20,686.46 = 11,006.97/x
  3. Step 3: Cross multiply
    14,992.89x = 20,686.46 × 11,006.97
  4. Step 4: Simplify right side
    14,992.89x = 227,695,189.59
  5. Step 5: Solve for x
    x = 227,695,189.59/14,992.89
  6. Step 6: Final answer
    x = 15,186.88

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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.