Home / 16,878.62-25,320.36-5,192.84

Finding the Fourth Proportional to 16,878.62, 25,320.36 and 5,192.84

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Solution

The fourth proportional to 16,878.62, 25,320.36 and 5,192.84 is: 7,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.62 : 25,320.36 = 5,192.84 : x
  2. Step 2: Convert to fraction form
    16,878.62/25,320.36 = 5,192.84/x
  3. Step 3: Cross multiply
    16,878.62x = 25,320.36 × 5,192.84
  4. Step 4: Simplify right side
    16,878.62x = 131,484,578.22
  5. Step 5: Solve for x
    x = 131,484,578.22/16,878.62
  6. Step 6: Final answer
    x = 7,790.01

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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.