Home / 15,604.25-23,375.40-7,272.78

Finding the Fourth Proportional to 15,604.25, 23,375.40 and 7,272.78

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Solution

The fourth proportional to 15,604.25, 23,375.40 and 7,272.78 is: 10,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.25 : 23,375.40 = 7,272.78 : x
  2. Step 2: Convert to fraction form
    15,604.25/23,375.40 = 7,272.78/x
  3. Step 3: Cross multiply
    15,604.25x = 23,375.40 × 7,272.78
  4. Step 4: Simplify right side
    15,604.25x = 170,004,141.61
  5. Step 5: Solve for x
    x = 170,004,141.61/15,604.25
  6. Step 6: Final answer
    x = 10,894.74

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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.