Home / 13,921.83-20,883.45-4,061.85

Finding the Fourth Proportional to 13,921.83, 20,883.45 and 4,061.85

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Solution

The fourth proportional to 13,921.83, 20,883.45 and 4,061.85 is: 6,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.83 : 20,883.45 = 4,061.85 : x
  2. Step 2: Convert to fraction form
    13,921.83/20,883.45 = 4,061.85/x
  3. Step 3: Cross multiply
    13,921.83x = 20,883.45 × 4,061.85
  4. Step 4: Simplify right side
    13,921.83x = 84,825,441.38
  5. Step 5: Solve for x
    x = 84,825,441.38/13,921.83
  6. Step 6: Final answer
    x = 6,092.98

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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.