Home / 19,545.57-26,944.53-12,819.54

Finding the Fourth Proportional to 19,545.57, 26,944.53 and 12,819.54

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Solution

The fourth proportional to 19,545.57, 26,944.53 and 12,819.54 is: 17,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.57 : 26,944.53 = 12,819.54 : x
  2. Step 2: Convert to fraction form
    19,545.57/26,944.53 = 12,819.54/x
  3. Step 3: Cross multiply
    19,545.57x = 26,944.53 × 12,819.54
  4. Step 4: Simplify right side
    19,545.57x = 345,416,480.12
  5. Step 5: Solve for x
    x = 345,416,480.12/19,545.57
  6. Step 6: Final answer
    x = 17,672.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.