Home / 16,766.50-23,138.20-9,213.02

Finding the Fourth Proportional to 16,766.50, 23,138.20 and 9,213.02

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Solution

The fourth proportional to 16,766.50, 23,138.20 and 9,213.02 is: 12,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.50 : 23,138.20 = 9,213.02 : x
  2. Step 2: Convert to fraction form
    16,766.50/23,138.20 = 9,213.02/x
  3. Step 3: Cross multiply
    16,766.50x = 23,138.20 × 9,213.02
  4. Step 4: Simplify right side
    16,766.50x = 213,172,699.36
  5. Step 5: Solve for x
    x = 213,172,699.36/16,766.50
  6. Step 6: Final answer
    x = 12,714.20

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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.