Home / 19,866.90-29,793.67-8,017.61

Finding the Fourth Proportional to 19,866.90, 29,793.67 and 8,017.61

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Solution

The fourth proportional to 19,866.90, 29,793.67 and 8,017.61 is: 12,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.90 : 29,793.67 = 8,017.61 : x
  2. Step 2: Convert to fraction form
    19,866.90/29,793.67 = 8,017.61/x
  3. Step 3: Cross multiply
    19,866.90x = 29,793.67 × 8,017.61
  4. Step 4: Simplify right side
    19,866.90x = 238,874,026.53
  5. Step 5: Solve for x
    x = 238,874,026.53/19,866.90
  6. Step 6: Final answer
    x = 12,023.72

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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.