Home / 16,885.92-25,332.40-5,198.56

Finding the Fourth Proportional to 16,885.92, 25,332.40 and 5,198.56

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Solution

The fourth proportional to 16,885.92, 25,332.40 and 5,198.56 is: 7,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.92 : 25,332.40 = 5,198.56 : x
  2. Step 2: Convert to fraction form
    16,885.92/25,332.40 = 5,198.56/x
  3. Step 3: Cross multiply
    16,885.92x = 25,332.40 × 5,198.56
  4. Step 4: Simplify right side
    16,885.92x = 131,692,001.34
  5. Step 5: Solve for x
    x = 131,692,001.34/16,885.92
  6. Step 6: Final answer
    x = 7,798.92

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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.