Home / 14,852.85-20,497.20-8,138.04

Finding the Fourth Proportional to 14,852.85, 20,497.20 and 8,138.04

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Solution

The fourth proportional to 14,852.85, 20,497.20 and 8,138.04 is: 11,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,852.85 : 20,497.20 = 8,138.04 : x
  2. Step 2: Convert to fraction form
    14,852.85/20,497.20 = 8,138.04/x
  3. Step 3: Cross multiply
    14,852.85x = 20,497.20 × 8,138.04
  4. Step 4: Simplify right side
    14,852.85x = 166,807,033.49
  5. Step 5: Solve for x
    x = 166,807,033.49/14,852.85
  6. Step 6: Final answer
    x = 11,230.64

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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.