Home / 13,292.67-18,343.20-7,324.20

Finding the Fourth Proportional to 13,292.67, 18,343.20 and 7,324.20

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Solution

The fourth proportional to 13,292.67, 18,343.20 and 7,324.20 is: 10,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.67 : 18,343.20 = 7,324.20 : x
  2. Step 2: Convert to fraction form
    13,292.67/18,343.20 = 7,324.20/x
  3. Step 3: Cross multiply
    13,292.67x = 18,343.20 × 7,324.20
  4. Step 4: Simplify right side
    13,292.67x = 134,349,265.44
  5. Step 5: Solve for x
    x = 134,349,265.44/13,292.67
  6. Step 6: Final answer
    x = 10,107.02

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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.