Home / 20,126.93-30,156.10-13,096.22

Finding the Fourth Proportional to 20,126.93, 30,156.10 and 13,096.22

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Solution

The fourth proportional to 20,126.93, 30,156.10 and 13,096.22 is: 19,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.93 : 30,156.10 = 13,096.22 : x
  2. Step 2: Convert to fraction form
    20,126.93/30,156.10 = 13,096.22/x
  3. Step 3: Cross multiply
    20,126.93x = 30,156.10 × 13,096.22
  4. Step 4: Simplify right side
    20,126.93x = 394,930,736.42
  5. Step 5: Solve for x
    x = 394,930,736.42/20,126.93
  6. Step 6: Final answer
    x = 19,622.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.