Home / 19,969.89-27,558.66-11,017.71

Finding the Fourth Proportional to 19,969.89, 27,558.66 and 11,017.71

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Solution

The fourth proportional to 19,969.89, 27,558.66 and 11,017.71 is: 15,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.89 : 27,558.66 = 11,017.71 : x
  2. Step 2: Convert to fraction form
    19,969.89/27,558.66 = 11,017.71/x
  3. Step 3: Cross multiply
    19,969.89x = 27,558.66 × 11,017.71
  4. Step 4: Simplify right side
    19,969.89x = 303,633,323.87
  5. Step 5: Solve for x
    x = 303,633,323.87/19,969.89
  6. Step 6: Final answer
    x = 15,204.56

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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.