Home / 19,730.52-29,581.20-7,243.98

Finding the Fourth Proportional to 19,730.52, 29,581.20 and 7,243.98

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Solution

The fourth proportional to 19,730.52, 29,581.20 and 7,243.98 is: 10,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.52 : 29,581.20 = 7,243.98 : x
  2. Step 2: Convert to fraction form
    19,730.52/29,581.20 = 7,243.98/x
  3. Step 3: Cross multiply
    19,730.52x = 29,581.20 × 7,243.98
  4. Step 4: Simplify right side
    19,730.52x = 214,285,621.18
  5. Step 5: Solve for x
    x = 214,285,621.18/19,730.52
  6. Step 6: Final answer
    x = 10,860.62

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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.