Home / 19,564.92-29,351.70-5,715

Finding the Fourth Proportional to 19,564.92, 29,351.70 and 5,715

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Solution

The fourth proportional to 19,564.92, 29,351.70 and 5,715 is: 8,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.92 : 29,351.70 = 5,715 : x
  2. Step 2: Convert to fraction form
    19,564.92/29,351.70 = 5,715/x
  3. Step 3: Cross multiply
    19,564.92x = 29,351.70 × 5,715
  4. Step 4: Simplify right side
    19,564.92x = 167,744,965.50
  5. Step 5: Solve for x
    x = 167,744,965.50/19,564.92
  6. Step 6: Final answer
    x = 8,573.76

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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.