Home / 19,572.77-29,363.63-8,481.31

Finding the Fourth Proportional to 19,572.77, 29,363.63 and 8,481.31

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Solution

The fourth proportional to 19,572.77, 29,363.63 and 8,481.31 is: 12,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.77 : 29,363.63 = 8,481.31 : x
  2. Step 2: Convert to fraction form
    19,572.77/29,363.63 = 8,481.31/x
  3. Step 3: Cross multiply
    19,572.77x = 29,363.63 × 8,481.31
  4. Step 4: Simplify right side
    19,572.77x = 249,042,048.76
  5. Step 5: Solve for x
    x = 249,042,048.76/19,572.77
  6. Step 6: Final answer
    x = 12,723.90

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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.