Home / 16,999.20-25,503.12-11,167.20

Finding the Fourth Proportional to 16,999.20, 25,503.12 and 11,167.20

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Solution

The fourth proportional to 16,999.20, 25,503.12 and 11,167.20 is: 16,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.20 : 25,503.12 = 11,167.20 : x
  2. Step 2: Convert to fraction form
    16,999.20/25,503.12 = 11,167.20/x
  3. Step 3: Cross multiply
    16,999.20x = 25,503.12 × 11,167.20
  4. Step 4: Simplify right side
    16,999.20x = 284,798,441.66
  5. Step 5: Solve for x
    x = 284,798,441.66/16,999.20
  6. Step 6: Final answer
    x = 16,753.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.