Home / 19,699.05-29,566.35-13,358.58

Finding the Fourth Proportional to 19,699.05, 29,566.35 and 13,358.58

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Solution

The fourth proportional to 19,699.05, 29,566.35 and 13,358.58 is: 20,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.05 : 29,566.35 = 13,358.58 : x
  2. Step 2: Convert to fraction form
    19,699.05/29,566.35 = 13,358.58/x
  3. Step 3: Cross multiply
    19,699.05x = 29,566.35 × 13,358.58
  4. Step 4: Simplify right side
    19,699.05x = 394,964,451.78
  5. Step 5: Solve for x
    x = 394,964,451.78/19,699.05
  6. Step 6: Final answer
    x = 20,049.92

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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.