Home / 12,816.45-19,226.73-4,053.42

Finding the Fourth Proportional to 12,816.45, 19,226.73 and 4,053.42

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Solution

The fourth proportional to 12,816.45, 19,226.73 and 4,053.42 is: 6,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.45 : 19,226.73 = 4,053.42 : x
  2. Step 2: Convert to fraction form
    12,816.45/19,226.73 = 4,053.42/x
  3. Step 3: Cross multiply
    12,816.45x = 19,226.73 × 4,053.42
  4. Step 4: Simplify right side
    12,816.45x = 77,934,011.92
  5. Step 5: Solve for x
    x = 77,934,011.92/12,816.45
  6. Step 6: Final answer
    x = 6,080.78

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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.