Home / 19,152.60-28,664.10-16,819.80

Finding the Fourth Proportional to 19,152.60, 28,664.10 and 16,819.80

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Solution

The fourth proportional to 19,152.60, 28,664.10 and 16,819.80 is: 25,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.60 : 28,664.10 = 16,819.80 : x
  2. Step 2: Convert to fraction form
    19,152.60/28,664.10 = 16,819.80/x
  3. Step 3: Cross multiply
    19,152.60x = 28,664.10 × 16,819.80
  4. Step 4: Simplify right side
    19,152.60x = 482,124,429.18
  5. Step 5: Solve for x
    x = 482,124,429.18/19,152.60
  6. Step 6: Final answer
    x = 25,172.79

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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.