Home / 19,905.32-29,861.22-6,756.32

Finding the Fourth Proportional to 19,905.32, 29,861.22 and 6,756.32

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Solution

The fourth proportional to 19,905.32, 29,861.22 and 6,756.32 is: 10,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.32 : 29,861.22 = 6,756.32 : x
  2. Step 2: Convert to fraction form
    19,905.32/29,861.22 = 6,756.32/x
  3. Step 3: Cross multiply
    19,905.32x = 29,861.22 × 6,756.32
  4. Step 4: Simplify right side
    19,905.32x = 201,751,957.91
  5. Step 5: Solve for x
    x = 201,751,957.91/19,905.32
  6. Step 6: Final answer
    x = 10,135.58

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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.