Home / 16,911.62-25,371.58-5,818.48

Finding the Fourth Proportional to 16,911.62, 25,371.58 and 5,818.48

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Solution

The fourth proportional to 16,911.62, 25,371.58 and 5,818.48 is: 8,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.62 : 25,371.58 = 5,818.48 : x
  2. Step 2: Convert to fraction form
    16,911.62/25,371.58 = 5,818.48/x
  3. Step 3: Cross multiply
    16,911.62x = 25,371.58 × 5,818.48
  4. Step 4: Simplify right side
    16,911.62x = 147,624,030.80
  5. Step 5: Solve for x
    x = 147,624,030.80/16,911.62
  6. Step 6: Final answer
    x = 8,729.15

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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.