Home / 19,208.20-28,812.30-16,673.80

Finding the Fourth Proportional to 19,208.20, 28,812.30 and 16,673.80

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Solution

The fourth proportional to 19,208.20, 28,812.30 and 16,673.80 is: 25,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.20 : 28,812.30 = 16,673.80 : x
  2. Step 2: Convert to fraction form
    19,208.20/28,812.30 = 16,673.80/x
  3. Step 3: Cross multiply
    19,208.20x = 28,812.30 × 16,673.80
  4. Step 4: Simplify right side
    19,208.20x = 480,410,527.74
  5. Step 5: Solve for x
    x = 480,410,527.74/19,208.20
  6. Step 6: Final answer
    x = 25,010.70

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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.