Home / 14,546.90-20,073.96-8,173.75

Finding the Fourth Proportional to 14,546.90, 20,073.96 and 8,173.75

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Solution

The fourth proportional to 14,546.90, 20,073.96 and 8,173.75 is: 11,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.90 : 20,073.96 = 8,173.75 : x
  2. Step 2: Convert to fraction form
    14,546.90/20,073.96 = 8,173.75/x
  3. Step 3: Cross multiply
    14,546.90x = 20,073.96 × 8,173.75
  4. Step 4: Simplify right side
    14,546.90x = 164,079,530.55
  5. Step 5: Solve for x
    x = 164,079,530.55/14,546.90
  6. Step 6: Final answer
    x = 11,279.35

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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.