Home / 13,293.20-18,344.67-7,324.58

Finding the Fourth Proportional to 13,293.20, 18,344.67 and 7,324.58

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Solution

The fourth proportional to 13,293.20, 18,344.67 and 7,324.58 is: 10,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.20 : 18,344.67 = 7,324.58 : x
  2. Step 2: Convert to fraction form
    13,293.20/18,344.67 = 7,324.58/x
  3. Step 3: Cross multiply
    13,293.20x = 18,344.67 × 7,324.58
  4. Step 4: Simplify right side
    13,293.20x = 134,367,002.99
  5. Step 5: Solve for x
    x = 134,367,002.99/13,293.20
  6. Step 6: Final answer
    x = 10,107.95

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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.