Home / 19,819.60-27,349.92-10,866.56

Finding the Fourth Proportional to 19,819.60, 27,349.92 and 10,866.56

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Solution

The fourth proportional to 19,819.60, 27,349.92 and 10,866.56 is: 14,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.60 : 27,349.92 = 10,866.56 : x
  2. Step 2: Convert to fraction form
    19,819.60/27,349.92 = 10,866.56/x
  3. Step 3: Cross multiply
    19,819.60x = 27,349.92 × 10,866.56
  4. Step 4: Simplify right side
    19,819.60x = 297,199,546.68
  5. Step 5: Solve for x
    x = 297,199,546.68/19,819.60
  6. Step 6: Final answer
    x = 14,995.23

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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.