Home / 20,281.41-30,401.60-9,736.02

Finding the Fourth Proportional to 20,281.41, 30,401.60 and 9,736.02

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Solution

The fourth proportional to 20,281.41, 30,401.60 and 9,736.02 is: 14,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.41 : 30,401.60 = 9,736.02 : x
  2. Step 2: Convert to fraction form
    20,281.41/30,401.60 = 9,736.02/x
  3. Step 3: Cross multiply
    20,281.41x = 30,401.60 × 9,736.02
  4. Step 4: Simplify right side
    20,281.41x = 295,990,536.95
  5. Step 5: Solve for x
    x = 295,990,536.95/20,281.41
  6. Step 6: Final answer
    x = 14,594.18

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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.