Home / 13,292.64-18,344.34-7,324.97

Finding the Fourth Proportional to 13,292.64, 18,344.34 and 7,324.97

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Solution

The fourth proportional to 13,292.64, 18,344.34 and 7,324.97 is: 10,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.64 : 18,344.34 = 7,324.97 : x
  2. Step 2: Convert to fraction form
    13,292.64/18,344.34 = 7,324.97/x
  3. Step 3: Cross multiply
    13,292.64x = 18,344.34 × 7,324.97
  4. Step 4: Simplify right side
    13,292.64x = 134,371,648.45
  5. Step 5: Solve for x
    x = 134,371,648.45/13,292.64
  6. Step 6: Final answer
    x = 10,108.73

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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.