Home / 14,546.75-20,074.59-8,173.61

Finding the Fourth Proportional to 14,546.75, 20,074.59 and 8,173.61

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Solution

The fourth proportional to 14,546.75, 20,074.59 and 8,173.61 is: 11,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.75 : 20,074.59 = 8,173.61 : x
  2. Step 2: Convert to fraction form
    14,546.75/20,074.59 = 8,173.61/x
  3. Step 3: Cross multiply
    14,546.75x = 20,074.59 × 8,173.61
  4. Step 4: Simplify right side
    14,546.75x = 164,081,769.20
  5. Step 5: Solve for x
    x = 164,081,769.20/14,546.75
  6. Step 6: Final answer
    x = 11,279.62

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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.