Home / 20,134.10-27,771.45-16,591.70

Finding the Fourth Proportional to 20,134.10, 27,771.45 and 16,591.70

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Solution

The fourth proportional to 20,134.10, 27,771.45 and 16,591.70 is: 22,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.10 : 27,771.45 = 16,591.70 : x
  2. Step 2: Convert to fraction form
    20,134.10/27,771.45 = 16,591.70/x
  3. Step 3: Cross multiply
    20,134.10x = 27,771.45 × 16,591.70
  4. Step 4: Simplify right side
    20,134.10x = 460,775,566.97
  5. Step 5: Solve for x
    x = 460,775,566.97/20,134.10
  6. Step 6: Final answer
    x = 22,885.33

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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.