Home / 20,454.60-30,682.26-7,300.20

Finding the Fourth Proportional to 20,454.60, 30,682.26 and 7,300.20

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Solution

The fourth proportional to 20,454.60, 30,682.26 and 7,300.20 is: 10,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454.60 : 30,682.26 = 7,300.20 : x
  2. Step 2: Convert to fraction form
    20,454.60/30,682.26 = 7,300.20/x
  3. Step 3: Cross multiply
    20,454.60x = 30,682.26 × 7,300.20
  4. Step 4: Simplify right side
    20,454.60x = 223,986,634.45
  5. Step 5: Solve for x
    x = 223,986,634.45/20,454.60
  6. Step 6: Final answer
    x = 10,950.43

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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.