Home / 19,391.68-26,758.36-11,324.08

Finding the Fourth Proportional to 19,391.68, 26,758.36 and 11,324.08

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Solution

The fourth proportional to 19,391.68, 26,758.36 and 11,324.08 is: 15,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.68 : 26,758.36 = 11,324.08 : x
  2. Step 2: Convert to fraction form
    19,391.68/26,758.36 = 11,324.08/x
  3. Step 3: Cross multiply
    19,391.68x = 26,758.36 × 11,324.08
  4. Step 4: Simplify right side
    19,391.68x = 303,013,809.31
  5. Step 5: Solve for x
    x = 303,013,809.31/19,391.68
  6. Step 6: Final answer
    x = 15,625.97

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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.