Home / 19,006.10-28,509.15-16,819.10

Finding the Fourth Proportional to 19,006.10, 28,509.15 and 16,819.10

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Solution

The fourth proportional to 19,006.10, 28,509.15 and 16,819.10 is: 25,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.10 : 28,509.15 = 16,819.10 : x
  2. Step 2: Convert to fraction form
    19,006.10/28,509.15 = 16,819.10/x
  3. Step 3: Cross multiply
    19,006.10x = 28,509.15 × 16,819.10
  4. Step 4: Simplify right side
    19,006.10x = 479,498,244.77
  5. Step 5: Solve for x
    x = 479,498,244.77/19,006.10
  6. Step 6: Final answer
    x = 25,228.65

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Similar ratio
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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.