Home / 14,223.60-19,628.26-8,173.85

Finding the Fourth Proportional to 14,223.60, 19,628.26 and 8,173.85

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Solution

The fourth proportional to 14,223.60, 19,628.26 and 8,173.85 is: 11,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.60 : 19,628.26 = 8,173.85 : x
  2. Step 2: Convert to fraction form
    14,223.60/19,628.26 = 8,173.85/x
  3. Step 3: Cross multiply
    14,223.60x = 19,628.26 × 8,173.85
  4. Step 4: Simplify right side
    14,223.60x = 160,438,334.43
  5. Step 5: Solve for x
    x = 160,438,334.43/14,223.60
  6. Step 6: Final answer
    x = 11,279.73

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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.