Home / 19,338.31-29,012.33-5,487.31

Finding the Fourth Proportional to 19,338.31, 29,012.33 and 5,487.31

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Solution

The fourth proportional to 19,338.31, 29,012.33 and 5,487.31 is: 8,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.31 : 29,012.33 = 5,487.31 : x
  2. Step 2: Convert to fraction form
    19,338.31/29,012.33 = 5,487.31/x
  3. Step 3: Cross multiply
    19,338.31x = 29,012.33 × 5,487.31
  4. Step 4: Simplify right side
    19,338.31x = 159,199,648.53
  5. Step 5: Solve for x
    x = 159,199,648.53/19,338.31
  6. Step 6: Final answer
    x = 8,232.35

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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.