Home / 15,076.03-20,806.19-8,363.81

Finding the Fourth Proportional to 15,076.03, 20,806.19 and 8,363.81

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Solution

The fourth proportional to 15,076.03, 20,806.19 and 8,363.81 is: 11,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.03 : 20,806.19 = 8,363.81 : x
  2. Step 2: Convert to fraction form
    15,076.03/20,806.19 = 8,363.81/x
  3. Step 3: Cross multiply
    15,076.03x = 20,806.19 × 8,363.81
  4. Step 4: Simplify right side
    15,076.03x = 174,019,092.91
  5. Step 5: Solve for x
    x = 174,019,092.91/15,076.03
  6. Step 6: Final answer
    x = 11,542.77

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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.