Home / 20,627.24-30,983.52-16,682.90

Finding the Fourth Proportional to 20,627.24, 30,983.52 and 16,682.90

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Solution

The fourth proportional to 20,627.24, 30,983.52 and 16,682.90 is: 25,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.24 : 30,983.52 = 16,682.90 : x
  2. Step 2: Convert to fraction form
    20,627.24/30,983.52 = 16,682.90/x
  3. Step 3: Cross multiply
    20,627.24x = 30,983.52 × 16,682.90
  4. Step 4: Simplify right side
    20,627.24x = 516,894,965.81
  5. Step 5: Solve for x
    x = 516,894,965.81/20,627.24
  6. Step 6: Final answer
    x = 25,058.85

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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.