Home / 15,197.27-20,972.37-8,483.18

Finding the Fourth Proportional to 15,197.27, 20,972.37 and 8,483.18

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Solution

The fourth proportional to 15,197.27, 20,972.37 and 8,483.18 is: 11,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.27 : 20,972.37 = 8,483.18 : x
  2. Step 2: Convert to fraction form
    15,197.27/20,972.37 = 8,483.18/x
  3. Step 3: Cross multiply
    15,197.27x = 20,972.37 × 8,483.18
  4. Step 4: Simplify right side
    15,197.27x = 177,912,284.87
  5. Step 5: Solve for x
    x = 177,912,284.87/15,197.27
  6. Step 6: Final answer
    x = 11,706.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.