Home / 20,352.20-28,028.58-17,498.84

Finding the Fourth Proportional to 20,352.20, 28,028.58 and 17,498.84

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Solution

The fourth proportional to 20,352.20, 28,028.58 and 17,498.84 is: 24,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.20 : 28,028.58 = 17,498.84 : x
  2. Step 2: Convert to fraction form
    20,352.20/28,028.58 = 17,498.84/x
  3. Step 3: Cross multiply
    20,352.20x = 28,028.58 × 17,498.84
  4. Step 4: Simplify right side
    20,352.20x = 490,467,636.85
  5. Step 5: Solve for x
    x = 490,467,636.85/20,352.20
  6. Step 6: Final answer
    x = 24,099.00

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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.