Home / 16,766.68-23,138.01-9,213.49

Finding the Fourth Proportional to 16,766.68, 23,138.01 and 9,213.49

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Solution

The fourth proportional to 16,766.68, 23,138.01 and 9,213.49 is: 12,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.68 : 23,138.01 = 9,213.49 : x
  2. Step 2: Convert to fraction form
    16,766.68/23,138.01 = 9,213.49/x
  3. Step 3: Cross multiply
    16,766.68x = 23,138.01 × 9,213.49
  4. Step 4: Simplify right side
    16,766.68x = 213,181,835.53
  5. Step 5: Solve for x
    x = 213,181,835.53/16,766.68
  6. Step 6: Final answer
    x = 12,714.62

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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.