Home / 14,569.88-20,105.94-8,196.60

Finding the Fourth Proportional to 14,569.88, 20,105.94 and 8,196.60

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Solution

The fourth proportional to 14,569.88, 20,105.94 and 8,196.60 is: 11,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.88 : 20,105.94 = 8,196.60 : x
  2. Step 2: Convert to fraction form
    14,569.88/20,105.94 = 8,196.60/x
  3. Step 3: Cross multiply
    14,569.88x = 20,105.94 × 8,196.60
  4. Step 4: Simplify right side
    14,569.88x = 164,800,347.80
  5. Step 5: Solve for x
    x = 164,800,347.80/14,569.88
  6. Step 6: Final answer
    x = 11,311.03

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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.