Home / 20,501.85-30,753.99-6,462.32

Finding the Fourth Proportional to 20,501.85, 30,753.99 and 6,462.32

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Solution

The fourth proportional to 20,501.85, 30,753.99 and 6,462.32 is: 9,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.85 : 30,753.99 = 6,462.32 : x
  2. Step 2: Convert to fraction form
    20,501.85/30,753.99 = 6,462.32/x
  3. Step 3: Cross multiply
    20,501.85x = 30,753.99 × 6,462.32
  4. Step 4: Simplify right side
    20,501.85x = 198,742,201.54
  5. Step 5: Solve for x
    x = 198,742,201.54/20,501.85
  6. Step 6: Final answer
    x = 9,693.87

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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.