Home / 19,267.92-28,907.78-17,280.99

Finding the Fourth Proportional to 19,267.92, 28,907.78 and 17,280.99

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Solution

The fourth proportional to 19,267.92, 28,907.78 and 17,280.99 is: 25,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.92 : 28,907.78 = 17,280.99 : x
  2. Step 2: Convert to fraction form
    19,267.92/28,907.78 = 17,280.99/x
  3. Step 3: Cross multiply
    19,267.92x = 28,907.78 × 17,280.99
  4. Step 4: Simplify right side
    19,267.92x = 499,555,057.10
  5. Step 5: Solve for x
    x = 499,555,057.10/19,267.92
  6. Step 6: Final answer
    x = 25,926.78

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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.