Home / 20,562.36-30,832.02-6,707.64

Finding the Fourth Proportional to 20,562.36, 30,832.02 and 6,707.64

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Solution

The fourth proportional to 20,562.36, 30,832.02 and 6,707.64 is: 10,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.36 : 30,832.02 = 6,707.64 : x
  2. Step 2: Convert to fraction form
    20,562.36/30,832.02 = 6,707.64/x
  3. Step 3: Cross multiply
    20,562.36x = 30,832.02 × 6,707.64
  4. Step 4: Simplify right side
    20,562.36x = 206,810,090.63
  5. Step 5: Solve for x
    x = 206,810,090.63/20,562.36
  6. Step 6: Final answer
    x = 10,057.70

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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.