Home / 19,064.39-28,596.18-5,213.39

Finding the Fourth Proportional to 19,064.39, 28,596.18 and 5,213.39

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Solution

The fourth proportional to 19,064.39, 28,596.18 and 5,213.39 is: 7,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.39 : 28,596.18 = 5,213.39 : x
  2. Step 2: Convert to fraction form
    19,064.39/28,596.18 = 5,213.39/x
  3. Step 3: Cross multiply
    19,064.39x = 28,596.18 × 5,213.39
  4. Step 4: Simplify right side
    19,064.39x = 149,083,038.85
  5. Step 5: Solve for x
    x = 149,083,038.85/19,064.39
  6. Step 6: Final answer
    x = 7,819.97

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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.