Home / 14,894.67-20,555.37-8,180.22

Finding the Fourth Proportional to 14,894.67, 20,555.37 and 8,180.22

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Solution

The fourth proportional to 14,894.67, 20,555.37 and 8,180.22 is: 11,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894.67 : 20,555.37 = 8,180.22 : x
  2. Step 2: Convert to fraction form
    14,894.67/20,555.37 = 8,180.22/x
  3. Step 3: Cross multiply
    14,894.67x = 20,555.37 × 8,180.22
  4. Step 4: Simplify right side
    14,894.67x = 168,147,448.78
  5. Step 5: Solve for x
    x = 168,147,448.78/14,894.67
  6. Step 6: Final answer
    x = 11,289.10

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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.