Home / 25,823.05-38,721.78-9,180.59

Finding the Fourth Proportional to 25,823.05, 38,721.78 and 9,180.59

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Solution

The fourth proportional to 25,823.05, 38,721.78 and 9,180.59 is: 13,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,823.05 : 38,721.78 = 9,180.59 : x
  2. Step 2: Convert to fraction form
    25,823.05/38,721.78 = 9,180.59/x
  3. Step 3: Cross multiply
    25,823.05x = 38,721.78 × 9,180.59
  4. Step 4: Simplify right side
    25,823.05x = 355,488,592.64
  5. Step 5: Solve for x
    x = 355,488,592.64/25,823.05
  6. Step 6: Final answer
    x = 13,766.33

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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.