Home / 19,819.54-27,350.66-10,867.12

Finding the Fourth Proportional to 19,819.54, 27,350.66 and 10,867.12

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Solution

The fourth proportional to 19,819.54, 27,350.66 and 10,867.12 is: 14,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.54 : 27,350.66 = 10,867.12 : x
  2. Step 2: Convert to fraction form
    19,819.54/27,350.66 = 10,867.12/x
  3. Step 3: Cross multiply
    19,819.54x = 27,350.66 × 10,867.12
  4. Step 4: Simplify right side
    19,819.54x = 297,222,849.96
  5. Step 5: Solve for x
    x = 297,222,849.96/19,819.54
  6. Step 6: Final answer
    x = 14,996.46

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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.