Home / 14,177.36-21,270.20-5,857.85

Finding the Fourth Proportional to 14,177.36, 21,270.20 and 5,857.85

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Solution

The fourth proportional to 14,177.36, 21,270.20 and 5,857.85 is: 8,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.36 : 21,270.20 = 5,857.85 : x
  2. Step 2: Convert to fraction form
    14,177.36/21,270.20 = 5,857.85/x
  3. Step 3: Cross multiply
    14,177.36x = 21,270.20 × 5,857.85
  4. Step 4: Simplify right side
    14,177.36x = 124,597,505.43
  5. Step 5: Solve for x
    x = 124,597,505.43/14,177.36
  6. Step 6: Final answer
    x = 8,788.49

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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.