Home / 19,922.45-29,881.85-6,773.31

Finding the Fourth Proportional to 19,922.45, 29,881.85 and 6,773.31

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Solution

The fourth proportional to 19,922.45, 29,881.85 and 6,773.31 is: 10,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.45 : 29,881.85 = 6,773.31 : x
  2. Step 2: Convert to fraction form
    19,922.45/29,881.85 = 6,773.31/x
  3. Step 3: Cross multiply
    19,922.45x = 29,881.85 × 6,773.31
  4. Step 4: Simplify right side
    19,922.45x = 202,398,999.56
  5. Step 5: Solve for x
    x = 202,398,999.56/19,922.45
  6. Step 6: Final answer
    x = 10,159.35

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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.