Home / 13,335.22-18,403.68-7,367.41

Finding the Fourth Proportional to 13,335.22, 18,403.68 and 7,367.41

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Solution

The fourth proportional to 13,335.22, 18,403.68 and 7,367.41 is: 10,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.22 : 18,403.68 = 7,367.41 : x
  2. Step 2: Convert to fraction form
    13,335.22/18,403.68 = 7,367.41/x
  3. Step 3: Cross multiply
    13,335.22x = 18,403.68 × 7,367.41
  4. Step 4: Simplify right side
    13,335.22x = 135,587,456.07
  5. Step 5: Solve for x
    x = 135,587,456.07/13,335.22
  6. Step 6: Final answer
    x = 10,167.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.