Home / 14,146.26-19,522.35-8,179.80

Finding the Fourth Proportional to 14,146.26, 19,522.35 and 8,179.80

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Solution

The fourth proportional to 14,146.26, 19,522.35 and 8,179.80 is: 11,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.26 : 19,522.35 = 8,179.80 : x
  2. Step 2: Convert to fraction form
    14,146.26/19,522.35 = 8,179.80/x
  3. Step 3: Cross multiply
    14,146.26x = 19,522.35 × 8,179.80
  4. Step 4: Simplify right side
    14,146.26x = 159,688,918.53
  5. Step 5: Solve for x
    x = 159,688,918.53/14,146.26
  6. Step 6: Final answer
    x = 11,288.42

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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.