Home / 19,763.85-29,647.31-5,724.08

Finding the Fourth Proportional to 19,763.85, 29,647.31 and 5,724.08

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Solution

The fourth proportional to 19,763.85, 29,647.31 and 5,724.08 is: 8,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.85 : 29,647.31 = 5,724.08 : x
  2. Step 2: Convert to fraction form
    19,763.85/29,647.31 = 5,724.08/x
  3. Step 3: Cross multiply
    19,763.85x = 29,647.31 × 5,724.08
  4. Step 4: Simplify right side
    19,763.85x = 169,703,397.37
  5. Step 5: Solve for x
    x = 169,703,397.37/19,763.85
  6. Step 6: Final answer
    x = 8,586.56

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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.