Home / 14,850.77-20,469.65-11,861.33

Finding the Fourth Proportional to 14,850.77, 20,469.65 and 11,861.33

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Solution

The fourth proportional to 14,850.77, 20,469.65 and 11,861.33 is: 16,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,850.77 : 20,469.65 = 11,861.33 : x
  2. Step 2: Convert to fraction form
    14,850.77/20,469.65 = 11,861.33/x
  3. Step 3: Cross multiply
    14,850.77x = 20,469.65 × 11,861.33
  4. Step 4: Simplify right side
    14,850.77x = 242,797,111.98
  5. Step 5: Solve for x
    x = 242,797,111.98/14,850.77
  6. Step 6: Final answer
    x = 16,349.13

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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.