Home / 19,781.06-27,297.89-10,829.13

Finding the Fourth Proportional to 19,781.06, 27,297.89 and 10,829.13

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Solution

The fourth proportional to 19,781.06, 27,297.89 and 10,829.13 is: 14,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781.06 : 27,297.89 = 10,829.13 : x
  2. Step 2: Convert to fraction form
    19,781.06/27,297.89 = 10,829.13/x
  3. Step 3: Cross multiply
    19,781.06x = 27,297.89 × 10,829.13
  4. Step 4: Simplify right side
    19,781.06x = 295,612,399.54
  5. Step 5: Solve for x
    x = 295,612,399.54/19,781.06
  6. Step 6: Final answer
    x = 14,944.21

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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.