Home / 19,790.33-27,309.56-15,066.41

Finding the Fourth Proportional to 19,790.33, 27,309.56 and 15,066.41

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Solution

The fourth proportional to 19,790.33, 27,309.56 and 15,066.41 is: 20,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.33 : 27,309.56 = 15,066.41 : x
  2. Step 2: Convert to fraction form
    19,790.33/27,309.56 = 15,066.41/x
  3. Step 3: Cross multiply
    19,790.33x = 27,309.56 × 15,066.41
  4. Step 4: Simplify right side
    19,790.33x = 411,456,816.00
  5. Step 5: Solve for x
    x = 411,456,816.00/19,790.33
  6. Step 6: Final answer
    x = 20,790.81

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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.