Home / 28,614.36-39,486.10-16,679.64

Finding the Fourth Proportional to 28,614.36, 39,486.10 and 16,679.64

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Solution

The fourth proportional to 28,614.36, 39,486.10 and 16,679.64 is: 23,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.36 : 39,486.10 = 16,679.64 : x
  2. Step 2: Convert to fraction form
    28,614.36/39,486.10 = 16,679.64/x
  3. Step 3: Cross multiply
    28,614.36x = 39,486.10 × 16,679.64
  4. Step 4: Simplify right side
    28,614.36x = 658,613,933.00
  5. Step 5: Solve for x
    x = 658,613,933.00/28,614.36
  6. Step 6: Final answer
    x = 23,016.90

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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.