Home / 12,242.14-18,355.11-4,451.02

Finding the Fourth Proportional to 12,242.14, 18,355.11 and 4,451.02

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Solution

The fourth proportional to 12,242.14, 18,355.11 and 4,451.02 is: 6,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.14 : 18,355.11 = 4,451.02 : x
  2. Step 2: Convert to fraction form
    12,242.14/18,355.11 = 4,451.02/x
  3. Step 3: Cross multiply
    12,242.14x = 18,355.11 × 4,451.02
  4. Step 4: Simplify right side
    12,242.14x = 81,698,961.71
  5. Step 5: Solve for x
    x = 81,698,961.71/12,242.14
  6. Step 6: Final answer
    x = 6,673.58

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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.