Home / 19,819.35-27,350.39-10,866.93

Finding the Fourth Proportional to 19,819.35, 27,350.39 and 10,866.93

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Solution

The fourth proportional to 19,819.35, 27,350.39 and 10,866.93 is: 14,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.35 : 27,350.39 = 10,866.93 : x
  2. Step 2: Convert to fraction form
    19,819.35/27,350.39 = 10,866.93/x
  3. Step 3: Cross multiply
    19,819.35x = 27,350.39 × 10,866.93
  4. Step 4: Simplify right side
    19,819.35x = 297,214,773.60
  5. Step 5: Solve for x
    x = 297,214,773.60/19,819.35
  6. Step 6: Final answer
    x = 14,996.19

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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.