Home / 19,179.99-28,767.69-5,141.14

Finding the Fourth Proportional to 19,179.99, 28,767.69 and 5,141.14

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Solution

The fourth proportional to 19,179.99, 28,767.69 and 5,141.14 is: 7,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.99 : 28,767.69 = 5,141.14 : x
  2. Step 2: Convert to fraction form
    19,179.99/28,767.69 = 5,141.14/x
  3. Step 3: Cross multiply
    19,179.99x = 28,767.69 × 5,141.14
  4. Step 4: Simplify right side
    19,179.99x = 147,898,649.85
  5. Step 5: Solve for x
    x = 147,898,649.85/19,179.99
  6. Step 6: Final answer
    x = 7,711.09

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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.