Home / 19,708.82-29,562.96-4,917.86

Finding the Fourth Proportional to 19,708.82, 29,562.96 and 4,917.86

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Solution

The fourth proportional to 19,708.82, 29,562.96 and 4,917.86 is: 7,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.82 : 29,562.96 = 4,917.86 : x
  2. Step 2: Convert to fraction form
    19,708.82/29,562.96 = 4,917.86/x
  3. Step 3: Cross multiply
    19,708.82x = 29,562.96 × 4,917.86
  4. Step 4: Simplify right side
    19,708.82x = 145,386,498.47
  5. Step 5: Solve for x
    x = 145,386,498.47/19,708.82
  6. Step 6: Final answer
    x = 7,376.72

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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.