Home / 19,429.44-29,139.80-7,583.53

Finding the Fourth Proportional to 19,429.44, 29,139.80 and 7,583.53

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Solution

The fourth proportional to 19,429.44, 29,139.80 and 7,583.53 is: 11,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.44 : 29,139.80 = 7,583.53 : x
  2. Step 2: Convert to fraction form
    19,429.44/29,139.80 = 7,583.53/x
  3. Step 3: Cross multiply
    19,429.44x = 29,139.80 × 7,583.53
  4. Step 4: Simplify right side
    19,429.44x = 220,982,401.80
  5. Step 5: Solve for x
    x = 220,982,401.80/19,429.44
  6. Step 6: Final answer
    x = 11,373.59

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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.