Home / 19,930.56-27,509.04-11,551.92

Finding the Fourth Proportional to 19,930.56, 27,509.04 and 11,551.92

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Solution

The fourth proportional to 19,930.56, 27,509.04 and 11,551.92 is: 15,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.56 : 27,509.04 = 11,551.92 : x
  2. Step 2: Convert to fraction form
    19,930.56/27,509.04 = 11,551.92/x
  3. Step 3: Cross multiply
    19,930.56x = 27,509.04 × 11,551.92
  4. Step 4: Simplify right side
    19,930.56x = 317,782,229.36
  5. Step 5: Solve for x
    x = 317,782,229.36/19,930.56
  6. Step 6: Final answer
    x = 15,944.47

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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.