Home / 15,500.28-23,250.42-3,813.52

Finding the Fourth Proportional to 15,500.28, 23,250.42 and 3,813.52

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Solution

The fourth proportional to 15,500.28, 23,250.42 and 3,813.52 is: 5,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.28 : 23,250.42 = 3,813.52 : x
  2. Step 2: Convert to fraction form
    15,500.28/23,250.42 = 3,813.52/x
  3. Step 3: Cross multiply
    15,500.28x = 23,250.42 × 3,813.52
  4. Step 4: Simplify right side
    15,500.28x = 88,665,941.68
  5. Step 5: Solve for x
    x = 88,665,941.68/15,500.28
  6. Step 6: Final answer
    x = 5,720.28

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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.