Home / 19,933.09-29,903.32-8,247.22

Finding the Fourth Proportional to 19,933.09, 29,903.32 and 8,247.22

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Solution

The fourth proportional to 19,933.09, 29,903.32 and 8,247.22 is: 12,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.09 : 29,903.32 = 8,247.22 : x
  2. Step 2: Convert to fraction form
    19,933.09/29,903.32 = 8,247.22/x
  3. Step 3: Cross multiply
    19,933.09x = 29,903.32 × 8,247.22
  4. Step 4: Simplify right side
    19,933.09x = 246,619,258.77
  5. Step 5: Solve for x
    x = 246,619,258.77/19,933.09
  6. Step 6: Final answer
    x = 12,372.35

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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.