Home / 16,784.82-23,123.04-11,739.60

Finding the Fourth Proportional to 16,784.82, 23,123.04 and 11,739.60

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Solution

The fourth proportional to 16,784.82, 23,123.04 and 11,739.60 is: 16,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.82 : 23,123.04 = 11,739.60 : x
  2. Step 2: Convert to fraction form
    16,784.82/23,123.04 = 11,739.60/x
  3. Step 3: Cross multiply
    16,784.82x = 23,123.04 × 11,739.60
  4. Step 4: Simplify right side
    16,784.82x = 271,455,240.38
  5. Step 5: Solve for x
    x = 271,455,240.38/16,784.82
  6. Step 6: Final answer
    x = 16,172.66

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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.