Home / 20,049.79-27,666.21-11,096.05

Finding the Fourth Proportional to 20,049.79, 27,666.21 and 11,096.05

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Solution

The fourth proportional to 20,049.79, 27,666.21 and 11,096.05 is: 15,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.79 : 27,666.21 = 11,096.05 : x
  2. Step 2: Convert to fraction form
    20,049.79/27,666.21 = 11,096.05/x
  3. Step 3: Cross multiply
    20,049.79x = 27,666.21 × 11,096.05
  4. Step 4: Simplify right side
    20,049.79x = 306,985,649.47
  5. Step 5: Solve for x
    x = 306,985,649.47/20,049.79
  6. Step 6: Final answer
    x = 15,311.17

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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.