Home / 16,813.80-25,199.10-6,959.88

Finding the Fourth Proportional to 16,813.80, 25,199.10 and 6,959.88

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Solution

The fourth proportional to 16,813.80, 25,199.10 and 6,959.88 is: 10,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.80 : 25,199.10 = 6,959.88 : x
  2. Step 2: Convert to fraction form
    16,813.80/25,199.10 = 6,959.88/x
  3. Step 3: Cross multiply
    16,813.80x = 25,199.10 × 6,959.88
  4. Step 4: Simplify right side
    16,813.80x = 175,382,712.11
  5. Step 5: Solve for x
    x = 175,382,712.11/16,813.80
  6. Step 6: Final answer
    x = 10,430.88

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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.