Home / 22,481.28-31,018.14-14,520.60

Finding the Fourth Proportional to 22,481.28, 31,018.14 and 14,520.60

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Solution

The fourth proportional to 22,481.28, 31,018.14 and 14,520.60 is: 20,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481.28 : 31,018.14 = 14,520.60 : x
  2. Step 2: Convert to fraction form
    22,481.28/31,018.14 = 14,520.60/x
  3. Step 3: Cross multiply
    22,481.28x = 31,018.14 × 14,520.60
  4. Step 4: Simplify right side
    22,481.28x = 450,402,003.68
  5. Step 5: Solve for x
    x = 450,402,003.68/22,481.28
  6. Step 6: Final answer
    x = 20,034.54

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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.