Home / 19,969.71-27,558.43-11,017.54

Finding the Fourth Proportional to 19,969.71, 27,558.43 and 11,017.54

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Solution

The fourth proportional to 19,969.71, 27,558.43 and 11,017.54 is: 15,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.71 : 27,558.43 = 11,017.54 : x
  2. Step 2: Convert to fraction form
    19,969.71/27,558.43 = 11,017.54/x
  3. Step 3: Cross multiply
    19,969.71x = 27,558.43 × 11,017.54
  4. Step 4: Simplify right side
    19,969.71x = 303,625,956.75
  5. Step 5: Solve for x
    x = 303,625,956.75/19,969.71
  6. Step 6: Final answer
    x = 15,204.33

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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.