Home / 13,627.07-18,805.88-8,324.27

Finding the Fourth Proportional to 13,627.07, 18,805.88 and 8,324.27

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Solution

The fourth proportional to 13,627.07, 18,805.88 and 8,324.27 is: 11,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.07 : 18,805.88 = 8,324.27 : x
  2. Step 2: Convert to fraction form
    13,627.07/18,805.88 = 8,324.27/x
  3. Step 3: Cross multiply
    13,627.07x = 18,805.88 × 8,324.27
  4. Step 4: Simplify right side
    13,627.07x = 156,545,222.71
  5. Step 5: Solve for x
    x = 156,545,222.71/13,627.07
  6. Step 6: Final answer
    x = 11,487.81

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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.