Home / 12,327.68-18,489.35-4,006.50

Finding the Fourth Proportional to 12,327.68, 18,489.35 and 4,006.50

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Solution

The fourth proportional to 12,327.68, 18,489.35 and 4,006.50 is: 6,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.68 : 18,489.35 = 4,006.50 : x
  2. Step 2: Convert to fraction form
    12,327.68/18,489.35 = 4,006.50/x
  3. Step 3: Cross multiply
    12,327.68x = 18,489.35 × 4,006.50
  4. Step 4: Simplify right side
    12,327.68x = 74,077,580.78
  5. Step 5: Solve for x
    x = 74,077,580.78/12,327.68
  6. Step 6: Final answer
    x = 6,009.04

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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.