Home / 16,713.12-25,055.83-8,811.21

Finding the Fourth Proportional to 16,713.12, 25,055.83 and 8,811.21

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Solution

The fourth proportional to 16,713.12, 25,055.83 and 8,811.21 is: 13,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,713.12 : 25,055.83 = 8,811.21 : x
  2. Step 2: Convert to fraction form
    16,713.12/25,055.83 = 8,811.21/x
  3. Step 3: Cross multiply
    16,713.12x = 25,055.83 × 8,811.21
  4. Step 4: Simplify right side
    16,713.12x = 220,772,179.85
  5. Step 5: Solve for x
    x = 220,772,179.85/16,713.12
  6. Step 6: Final answer
    x = 13,209.51

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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.