Home / 18,959.24-28,429.50-5,808.44

Finding the Fourth Proportional to 18,959.24, 28,429.50 and 5,808.44

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Solution

The fourth proportional to 18,959.24, 28,429.50 and 5,808.44 is: 8,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.24 : 28,429.50 = 5,808.44 : x
  2. Step 2: Convert to fraction form
    18,959.24/28,429.50 = 5,808.44/x
  3. Step 3: Cross multiply
    18,959.24x = 28,429.50 × 5,808.44
  4. Step 4: Simplify right side
    18,959.24x = 165,131,044.98
  5. Step 5: Solve for x
    x = 165,131,044.98/18,959.24
  6. Step 6: Final answer
    x = 8,709.79

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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.