Home / 19,582.30-29,376.52-6,431.68

Finding the Fourth Proportional to 19,582.30, 29,376.52 and 6,431.68

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Solution

The fourth proportional to 19,582.30, 29,376.52 and 6,431.68 is: 9,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.30 : 29,376.52 = 6,431.68 : x
  2. Step 2: Convert to fraction form
    19,582.30/29,376.52 = 6,431.68/x
  3. Step 3: Cross multiply
    19,582.30x = 29,376.52 × 6,431.68
  4. Step 4: Simplify right side
    19,582.30x = 188,940,376.15
  5. Step 5: Solve for x
    x = 188,940,376.15/19,582.30
  6. Step 6: Final answer
    x = 9,648.53

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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.