Home / 15,903.92-23,857.16-5,515.44

Finding the Fourth Proportional to 15,903.92, 23,857.16 and 5,515.44

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Solution

The fourth proportional to 15,903.92, 23,857.16 and 5,515.44 is: 8,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.92 : 23,857.16 = 5,515.44 : x
  2. Step 2: Convert to fraction form
    15,903.92/23,857.16 = 5,515.44/x
  3. Step 3: Cross multiply
    15,903.92x = 23,857.16 × 5,515.44
  4. Step 4: Simplify right side
    15,903.92x = 131,582,734.55
  5. Step 5: Solve for x
    x = 131,582,734.55/15,903.92
  6. Step 6: Final answer
    x = 8,273.60

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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.