Home / 19,648.96-27,115.20-10,696.68

Finding the Fourth Proportional to 19,648.96, 27,115.20 and 10,696.68

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Solution

The fourth proportional to 19,648.96, 27,115.20 and 10,696.68 is: 14,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.96 : 27,115.20 = 10,696.68 : x
  2. Step 2: Convert to fraction form
    19,648.96/27,115.20 = 10,696.68/x
  3. Step 3: Cross multiply
    19,648.96x = 27,115.20 × 10,696.68
  4. Step 4: Simplify right side
    19,648.96x = 290,042,617.54
  5. Step 5: Solve for x
    x = 290,042,617.54/19,648.96
  6. Step 6: Final answer
    x = 14,761.22

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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.