Home / 17,102.40-25,657.20-7,236.60

Finding the Fourth Proportional to 17,102.40, 25,657.20 and 7,236.60

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Solution

The fourth proportional to 17,102.40, 25,657.20 and 7,236.60 is: 10,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.40 : 25,657.20 = 7,236.60 : x
  2. Step 2: Convert to fraction form
    17,102.40/25,657.20 = 7,236.60/x
  3. Step 3: Cross multiply
    17,102.40x = 25,657.20 × 7,236.60
  4. Step 4: Simplify right side
    17,102.40x = 185,670,893.52
  5. Step 5: Solve for x
    x = 185,670,893.52/17,102.40
  6. Step 6: Final answer
    x = 10,856.42

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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.