Home / 16,974.28-25,455.10-5,878.12

Finding the Fourth Proportional to 16,974.28, 25,455.10 and 5,878.12

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Solution

The fourth proportional to 16,974.28, 25,455.10 and 5,878.12 is: 8,814.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.28 : 25,455.10 = 5,878.12 : x
  2. Step 2: Convert to fraction form
    16,974.28/25,455.10 = 5,878.12/x
  3. Step 3: Cross multiply
    16,974.28x = 25,455.10 × 5,878.12
  4. Step 4: Simplify right side
    16,974.28x = 149,628,132.41
  5. Step 5: Solve for x
    x = 149,628,132.41/16,974.28
  6. Step 6: Final answer
    x = 8,814.99

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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.