Home / 25,725.20-38,561.49-17,406.09

Finding the Fourth Proportional to 25,725.20, 38,561.49 and 17,406.09

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Solution

The fourth proportional to 25,725.20, 38,561.49 and 17,406.09 is: 26,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.20 : 38,561.49 = 17,406.09 : x
  2. Step 2: Convert to fraction form
    25,725.20/38,561.49 = 17,406.09/x
  3. Step 3: Cross multiply
    25,725.20x = 38,561.49 × 17,406.09
  4. Step 4: Simplify right side
    25,725.20x = 671,204,765.47
  5. Step 5: Solve for x
    x = 671,204,765.47/25,725.20
  6. Step 6: Final answer
    x = 26,091.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.