Home / 12,466.98-18,700.64-3,582.60

Finding the Fourth Proportional to 12,466.98, 18,700.64 and 3,582.60

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Solution

The fourth proportional to 12,466.98, 18,700.64 and 3,582.60 is: 5,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.98 : 18,700.64 = 3,582.60 : x
  2. Step 2: Convert to fraction form
    12,466.98/18,700.64 = 3,582.60/x
  3. Step 3: Cross multiply
    12,466.98x = 18,700.64 × 3,582.60
  4. Step 4: Simplify right side
    12,466.98x = 66,996,912.86
  5. Step 5: Solve for x
    x = 66,996,912.86/12,466.98
  6. Step 6: Final answer
    x = 5,373.95

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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.