Home / 12,339.60-18,503.73-3,572.43

Finding the Fourth Proportional to 12,339.60, 18,503.73 and 3,572.43

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Solution

The fourth proportional to 12,339.60, 18,503.73 and 3,572.43 is: 5,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.60 : 18,503.73 = 3,572.43 : x
  2. Step 2: Convert to fraction form
    12,339.60/18,503.73 = 3,572.43/x
  3. Step 3: Cross multiply
    12,339.60x = 18,503.73 × 3,572.43
  4. Step 4: Simplify right side
    12,339.60x = 66,103,280.16
  5. Step 5: Solve for x
    x = 66,103,280.16/12,339.60
  6. Step 6: Final answer
    x = 5,357.00

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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.