Home / 16,892.55-23,311.60-9,338.90

Finding the Fourth Proportional to 16,892.55, 23,311.60 and 9,338.90

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Solution

The fourth proportional to 16,892.55, 23,311.60 and 9,338.90 is: 12,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.55 : 23,311.60 = 9,338.90 : x
  2. Step 2: Convert to fraction form
    16,892.55/23,311.60 = 9,338.90/x
  3. Step 3: Cross multiply
    16,892.55x = 23,311.60 × 9,338.90
  4. Step 4: Simplify right side
    16,892.55x = 217,704,561.33
  5. Step 5: Solve for x
    x = 217,704,561.33/16,892.55
  6. Step 6: Final answer
    x = 12,887.61

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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.