Home / 19,134.54-26,399.16-11,959.56

Finding the Fourth Proportional to 19,134.54, 26,399.16 and 11,959.56

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Solution

The fourth proportional to 19,134.54, 26,399.16 and 11,959.56 is: 16,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.54 : 26,399.16 = 11,959.56 : x
  2. Step 2: Convert to fraction form
    19,134.54/26,399.16 = 11,959.56/x
  3. Step 3: Cross multiply
    19,134.54x = 26,399.16 × 11,959.56
  4. Step 4: Simplify right side
    19,134.54x = 315,722,337.97
  5. Step 5: Solve for x
    x = 315,722,337.97/19,134.54
  6. Step 6: Final answer
    x = 16,500.13

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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.