Home / 27,725.07-38,260.62-15,149.82

Finding the Fourth Proportional to 27,725.07, 38,260.62 and 15,149.82

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Solution

The fourth proportional to 27,725.07, 38,260.62 and 15,149.82 is: 20,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.07 : 38,260.62 = 15,149.82 : x
  2. Step 2: Convert to fraction form
    27,725.07/38,260.62 = 15,149.82/x
  3. Step 3: Cross multiply
    27,725.07x = 38,260.62 × 15,149.82
  4. Step 4: Simplify right side
    27,725.07x = 579,641,506.09
  5. Step 5: Solve for x
    x = 579,641,506.09/27,725.07
  6. Step 6: Final answer
    x = 20,906.76

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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.