Home / 14,917.26-20,586.15-8,203.33

Finding the Fourth Proportional to 14,917.26, 20,586.15 and 8,203.33

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Solution

The fourth proportional to 14,917.26, 20,586.15 and 8,203.33 is: 11,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.26 : 20,586.15 = 8,203.33 : x
  2. Step 2: Convert to fraction form
    14,917.26/20,586.15 = 8,203.33/x
  3. Step 3: Cross multiply
    14,917.26x = 20,586.15 × 8,203.33
  4. Step 4: Simplify right side
    14,917.26x = 168,874,981.88
  5. Step 5: Solve for x
    x = 168,874,981.88/14,917.26
  6. Step 6: Final answer
    x = 11,320.78

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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.