Home / 19,852.52-29,791.11-12,370.76

Finding the Fourth Proportional to 19,852.52, 29,791.11 and 12,370.76

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Solution

The fourth proportional to 19,852.52, 29,791.11 and 12,370.76 is: 18,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.52 : 29,791.11 = 12,370.76 : x
  2. Step 2: Convert to fraction form
    19,852.52/29,791.11 = 12,370.76/x
  3. Step 3: Cross multiply
    19,852.52x = 29,791.11 × 12,370.76
  4. Step 4: Simplify right side
    19,852.52x = 368,538,792.81
  5. Step 5: Solve for x
    x = 368,538,792.81/19,852.52
  6. Step 6: Final answer
    x = 18,563.83

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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.