Home / 25,645.41-38,438.69-11,765.25

Finding the Fourth Proportional to 25,645.41, 38,438.69 and 11,765.25

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Solution

The fourth proportional to 25,645.41, 38,438.69 and 11,765.25 is: 17,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.41 : 38,438.69 = 11,765.25 : x
  2. Step 2: Convert to fraction form
    25,645.41/38,438.69 = 11,765.25/x
  3. Step 3: Cross multiply
    25,645.41x = 38,438.69 × 11,765.25
  4. Step 4: Simplify right side
    25,645.41x = 452,240,738.70
  5. Step 5: Solve for x
    x = 452,240,738.70/25,645.41
  6. Step 6: Final answer
    x = 17,634.37

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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.