Home / 19,576.98-29,362.10-6,429.60

Finding the Fourth Proportional to 19,576.98, 29,362.10 and 6,429.60

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Solution

The fourth proportional to 19,576.98, 29,362.10 and 6,429.60 is: 9,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.98 : 29,362.10 = 6,429.60 : x
  2. Step 2: Convert to fraction form
    19,576.98/29,362.10 = 6,429.60/x
  3. Step 3: Cross multiply
    19,576.98x = 29,362.10 × 6,429.60
  4. Step 4: Simplify right side
    19,576.98x = 188,786,526.01
  5. Step 5: Solve for x
    x = 188,786,526.01/19,576.98
  6. Step 6: Final answer
    x = 9,643.29

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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.