Home / 19,074.20-28,623.45-11,176.70

Finding the Fourth Proportional to 19,074.20, 28,623.45 and 11,176.70

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Solution

The fourth proportional to 19,074.20, 28,623.45 and 11,176.70 is: 16,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.20 : 28,623.45 = 11,176.70 : x
  2. Step 2: Convert to fraction form
    19,074.20/28,623.45 = 11,176.70/x
  3. Step 3: Cross multiply
    19,074.20x = 28,623.45 × 11,176.70
  4. Step 4: Simplify right side
    19,074.20x = 319,915,713.62
  5. Step 5: Solve for x
    x = 319,915,713.62/19,074.20
  6. Step 6: Final answer
    x = 16,772.17

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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.