Home / 16,885.42-25,330.92-5,198.68

Finding the Fourth Proportional to 16,885.42, 25,330.92 and 5,198.68

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Solution

The fourth proportional to 16,885.42, 25,330.92 and 5,198.68 is: 7,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.42 : 25,330.92 = 5,198.68 : x
  2. Step 2: Convert to fraction form
    16,885.42/25,330.92 = 5,198.68/x
  3. Step 3: Cross multiply
    16,885.42x = 25,330.92 × 5,198.68
  4. Step 4: Simplify right side
    16,885.42x = 131,687,347.19
  5. Step 5: Solve for x
    x = 131,687,347.19/16,885.42
  6. Step 6: Final answer
    x = 7,798.88

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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.