Home / 19,536.52-29,308.38-6,389.62

Finding the Fourth Proportional to 19,536.52, 29,308.38 and 6,389.62

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Solution

The fourth proportional to 19,536.52, 29,308.38 and 6,389.62 is: 9,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.52 : 29,308.38 = 6,389.62 : x
  2. Step 2: Convert to fraction form
    19,536.52/29,308.38 = 6,389.62/x
  3. Step 3: Cross multiply
    19,536.52x = 29,308.38 × 6,389.62
  4. Step 4: Simplify right side
    19,536.52x = 187,269,411.02
  5. Step 5: Solve for x
    x = 187,269,411.02/19,536.52
  6. Step 6: Final answer
    x = 9,585.61

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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.