Home / 20,512.02-30,765.18-7,362.48

Finding the Fourth Proportional to 20,512.02, 30,765.18 and 7,362.48

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Solution

The fourth proportional to 20,512.02, 30,765.18 and 7,362.48 is: 11,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512.02 : 30,765.18 = 7,362.48 : x
  2. Step 2: Convert to fraction form
    20,512.02/30,765.18 = 7,362.48/x
  3. Step 3: Cross multiply
    20,512.02x = 30,765.18 × 7,362.48
  4. Step 4: Simplify right side
    20,512.02x = 226,508,022.45
  5. Step 5: Solve for x
    x = 226,508,022.45/20,512.02
  6. Step 6: Final answer
    x = 11,042.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.