Home / 13,292.09-18,344.33-7,324.61

Finding the Fourth Proportional to 13,292.09, 18,344.33 and 7,324.61

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Solution

The fourth proportional to 13,292.09, 18,344.33 and 7,324.61 is: 10,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.09 : 18,344.33 = 7,324.61 : x
  2. Step 2: Convert to fraction form
    13,292.09/18,344.33 = 7,324.61/x
  3. Step 3: Cross multiply
    13,292.09x = 18,344.33 × 7,324.61
  4. Step 4: Simplify right side
    13,292.09x = 134,364,934.62
  5. Step 5: Solve for x
    x = 134,364,934.62/13,292.09
  6. Step 6: Final answer
    x = 10,108.64

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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.